[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-019d3eb5-b564-7e9a-beb8-0dc78c01ae2e":3,"grammar-exercise-lesson-019b84b5-2659-784a-9965-86ec3a2f4271":155},["Reactive",4],{"id":5,"grammarPage":6,"title":7,"instructions":8,"displayOrder":9,"questions":10},"019d3eb5-b564-7e9a-beb8-0dc78c01ae2e","\u002Fapi\u002Fgrammar_pages\u002F019b84b5-2659-784a-9965-86ec3a2f4271","Must and Can't - Travel Clues","Read each sentence carefully and decide what is possible or impossible.\nClick on each blank and choose the correct answer (must or can’t) from the dropdown menu.\nSome sentences have more than one blank, so make sure you complete all of them.",1,[11,29,43,57,71,85,99,113,127,141],{"id":12,"sentenceTemplate":13,"displayOrder":14,"explanation":15,"exampleSentence":16,"blanks":17},"019d3eb6-bb85-7075-8820-85f8d30200ce","Look at all those suitcases by the door and their passports on the table. They __1__ be going on a long trip.",0,"Use 'must' for logical deductions when you are almost certain something is true based on evidence. The suitcases and passports are strong evidence of a long trip.","She has three guidebooks on her desk. She must be planning a holiday.",[18],{"id":19,"blankNumber":9,"options":20},"019d3eb6-bb82-7dbe-9bc9-34a713ac8828",[21,25],{"id":22,"optionText":23,"isCorrect":24,"displayOrder":14},"019d3eb6-bb82-792a-9bc9-34a712c6a105","can't",false,{"id":26,"optionText":27,"isCorrect":28,"displayOrder":9},"019d3eb6-bb82-79d6-9bc9-34a7132b1f63","must",true,{"id":30,"sentenceTemplate":31,"displayOrder":32,"explanation":33,"exampleSentence":34,"blanks":35},"019d3eb6-bb85-731d-8820-85f8d62659d9","She spends all her free time planning trips and watching travel videos. She __1__ love traveling.",2,"Use 'must' to make a logical conclusion based on strong evidence. Her hobbies clearly show she loves traveling.","He watches cooking videos every day and tries new recipes every weekend. He must love cooking.",[36],{"id":37,"blankNumber":9,"options":38},"019d3eb6-bb85-72e1-8820-85f8d624ca49",[39,41],{"id":40,"optionText":23,"isCorrect":24,"displayOrder":14},"019d3eb6-bb85-7279-8820-85f8d54269f1",{"id":42,"optionText":27,"isCorrect":28,"displayOrder":32},"019d3eb6-bb85-72c1-8820-85f8d5f8990e",{"id":44,"sentenceTemplate":45,"displayOrder":46,"explanation":47,"exampleSentence":48,"blanks":49},"019d3eb6-bb85-73fd-8820-85f8d9717d5c","The hotel reception is dark and the doors are locked. It __1__ be open right now.",3,"Use 'can't' when the evidence makes something impossible or almost certainly false. No lights and locked doors prove the hotel is not open.","The restaurant has no lights on. It can't be serving dinner now.",[50],{"id":51,"blankNumber":9,"options":52},"019d3eb6-bb85-73c5-8820-85f8d8d94693",[53,55],{"id":54,"optionText":27,"isCorrect":24,"displayOrder":14},"019d3eb6-bb85-7365-8820-85f8d7081622",{"id":56,"optionText":23,"isCorrect":28,"displayOrder":9},"019d3eb6-bb85-7385-8820-85f8d7b7d528",{"id":58,"sentenceTemplate":59,"displayOrder":60,"explanation":61,"exampleSentence":62,"blanks":63},"019d3eb6-bb85-7519-8820-85f8dba62133","It's 28°C at the airport, but they're wearing thick winter coats and gloves. They __1__ be flying somewhere cold.",4,"Use 'must' when strong evidence leads to one clear conclusion. Wearing winter clothes in hot weather suggests a cold destination.","She's packing thick sweaters and gloves for her trip. She must be going somewhere cold.",[64],{"id":65,"blankNumber":9,"options":66},"019d3eb6-bb85-74c9-8820-85f8db9ffe86",[67,69],{"id":68,"optionText":27,"isCorrect":28,"displayOrder":14},"019d3eb6-bb85-7441-8820-85f8da4922bf",{"id":70,"optionText":23,"isCorrect":24,"displayOrder":9},"019d3eb6-bb85-7461-8820-85f8daa3a6c4",{"id":72,"sentenceTemplate":73,"displayOrder":74,"explanation":75,"exampleSentence":76,"blanks":77},"019d3eb6-bb85-75f9-8820-85f8df13a6eb","She has just arrived after a long flight from America to China. She __1__ be very tired.",5,"Use 'must' to make a logical conclusion based on strong evidence. A very long flight is exhausting, so she is probably very tired.","He has been travelling for 12 hours without a break. He must be exhausted.",[78],{"id":79,"blankNumber":9,"options":80},"019d3eb6-bb85-75c1-8820-85f8de50e35b",[81,83],{"id":82,"optionText":23,"isCorrect":24,"displayOrder":14},"019d3eb6-bb85-7561-8820-85f8dc0536b2",{"id":84,"optionText":27,"isCorrect":28,"displayOrder":9},"019d3eb6-bb85-7585-8820-85f8dcd95a03",{"id":86,"sentenceTemplate":87,"displayOrder":88,"explanation":89,"exampleSentence":90,"blanks":91},"019d3eb6-bb85-76d9-8820-85f8e2da9c00","This boarding pass shows a flight time of 2 hours, but we're flying to Australia. This __1__ be the right ticket.",6,"Use 'can't' when evidence proves something is impossible. A 2-hour flight cannot reach Australia, so this cannot be the correct ticket.","This map shows the museum 500 meters away, but we've walked 2 kilometers. This can't be the right direction.",[92],{"id":93,"blankNumber":9,"options":94},"019d3eb6-bb85-76a1-8820-85f8e27c6178",[95,97],{"id":96,"optionText":27,"isCorrect":24,"displayOrder":14},"019d3eb6-bb85-7645-8820-85f8dfdfb9d9",{"id":98,"optionText":23,"isCorrect":28,"displayOrder":32},"019d3eb6-bb85-7685-8820-85f8e1cbf527",{"id":100,"sentenceTemplate":101,"displayOrder":102,"explanation":103,"exampleSentence":104,"blanks":105},"019d3eb6-bb85-77b1-8820-85f8e3710d1f","The departure board says all flights to London are delayed by 4 hours. The passengers __1__ be very happy about that.",7,"Use 'can't' to deduce that something is almost certainly not true based on logic. Long delays make passengers unhappy, so they cannot be happy.","Their luggage is lost and they have no clothes. They can't be pleased with the airline.",[106],{"id":107,"blankNumber":9,"options":108},"019d3eb6-bb85-7779-8820-85f8e36a0d90",[109,111],{"id":110,"optionText":27,"isCorrect":24,"displayOrder":14},"019d3eb6-bb85-771d-8820-85f8e2f2db0e",{"id":112,"optionText":23,"isCorrect":28,"displayOrder":9},"019d3eb6-bb85-773d-8820-85f8e3101fc0",{"id":114,"sentenceTemplate":115,"displayOrder":116,"explanation":117,"exampleSentence":118,"blanks":119},"019d3eb6-bb85-788d-8820-85f8e5b83eb0","The departure board says his flight is boarding now, but he is still in the security line. He __1__ be worried about missing his flight.",8,"Use 'must' to make a logical conclusion based on strong evidence. If his flight is boarding and he is still in security, he is probably worried about missing it.","Her train leaves in five minutes, but she is stuck in traffic. She must be worried about being late.",[120],{"id":121,"blankNumber":9,"options":122},"019d3eb6-bb85-7855-8820-85f8e4da4e36",[123,125],{"id":124,"optionText":23,"isCorrect":24,"displayOrder":14},"019d3eb6-bb85-77f9-8820-85f8e3982b15",{"id":126,"optionText":27,"isCorrect":28,"displayOrder":32},"019d3eb6-bb85-7839-8820-85f8e473f233",{"id":128,"sentenceTemplate":129,"displayOrder":130,"explanation":131,"exampleSentence":132,"blanks":133},"019d3eb6-bb85-7975-8820-85f8e8669d16","The taxi driver doesn't know any of the main tourist attractions in this city. He __1__ be a local driver.",9,"Use 'can't' to conclude something is impossible based on evidence. A local driver would know the main tourist attractions, so he cannot be local.","The tour guide doesn't speak the local language. He can't be from this country.",[134],{"id":135,"blankNumber":9,"options":136},"019d3eb6-bb85-793d-8820-85f8e7c138b8",[137,139],{"id":138,"optionText":27,"isCorrect":24,"displayOrder":14},"019d3eb6-bb85-78e1-8820-85f8e687ad23",{"id":140,"optionText":23,"isCorrect":28,"displayOrder":9},"019d3eb6-bb85-7901-8820-85f8e73a0d0d",{"id":142,"sentenceTemplate":143,"displayOrder":144,"explanation":145,"exampleSentence":146,"blanks":147},"019d3eb6-bb85-7a4d-8820-85f8ea7877b6","There are travel brochures for Thailand all over her desk and she's learning Thai. She __1__ be planning a trip there.",10,"Use 'must' when multiple pieces of evidence lead to a strong logical conclusion. Thailand brochures and learning Thai clearly suggest she is planning a trip there.","He has a visa application form for Japan and a Japanese phrasebook. He must be preparing to visit Japan.",[148],{"id":149,"blankNumber":9,"options":150},"019d3eb6-bb85-7a19-8820-85f8ea667ac9",[151,153],{"id":152,"optionText":27,"isCorrect":28,"displayOrder":14},"019d3eb6-bb85-79b9-8820-85f8e913b1c4",{"id":154,"optionText":23,"isCorrect":24,"displayOrder":32},"019d3eb6-bb85-79f9-8820-85f8e998d871",{"title":156,"slug":157,"language":158},"Must and Can't (Deductions)","must-and-cant-dedcutions","en"]