[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-01a01413-951f-77b3-9d1c-ddd34133802e":3,"grammar-exercise-lesson-019b6046-799a-78c3-ab97-9c5a6a051c7d":238},["Reactive",4],{"id":5,"grammarPage":6,"title":7,"instructions":8,"displayOrder":9,"type":10,"questions":11,"ogImageUrl":237},"01a01413-951f-77b3-9d1c-ddd34133802e","\u002Fapi\u002Fgrammar_pages\u002F019b6046-799a-78c3-ab97-9c5a6a051c7d","The Definite Article - Find and Fix","One word in each sentence is wrong. Tap it, then choose the correction.",4,"find_and_fix",[12,36,57,79,105,122,139,161,178,194,218],{"id":13,"sentenceTemplate":14,"displayOrder":15,"explanation":16,"exampleSentence":17,"blanks":18,"payload":19},"01a01413-951f-7973-9d1c-ddd341aab908","I need the pen. Any pen is fine.",0,"'Any pen is fine' means the pen is not specific, so use 'a'. 'This' and 'that' point to a specific pen, while 'every' does not mean one pen.","I need a pen. Any pen is fine.",[],{"hint":20,"words":21,"correct":30,"wrongIndex":31,"corrections":32},"Decide whether one exact pen matters.",[22,23,24,25,26,27,28,29],"I","need","the","pen.","Any","pen","is","fine.","a",2,[30,33,34,35],"this","that","every",{"id":37,"sentenceTemplate":38,"displayOrder":39,"explanation":40,"exampleSentence":41,"blanks":42,"payload":43},"01a01413-951f-7a0b-9d1c-ddd3427081bb","Of all five routes, this one is the shorter.",1,"A comparison across all five routes needs the superlative 'the shortest'. 'Shorter' is the comparative form, while 'short' and 'shortly' cannot complete this superlative comparison.","Of all five routes, this one is the shortest.",[],{"hint":44,"words":45,"correct":52,"wrongIndex":53,"corrections":54},"Look at the comparison after “of all five routes”.",[46,47,48,49,33,50,28,24,51],"Of","all","five","routes,","one","shorter.","shortest.",8,[52,55,56],"short.","shortly.",{"id":58,"sentenceTemplate":59,"displayOrder":31,"explanation":60,"exampleSentence":61,"blanks":62,"payload":63},"01a01413-951f-7a7b-9d1c-ddd34308cf0e","Mia said any fruit was fine, so she chose a orange.","Use 'an' for the first mention of one orange because 'orange' begins with a vowel sound. Saying any fruit was fine rules out a specific orange.","Mia said any fruit was fine, so she chose an orange.",[],{"hint":64,"words":65,"correct":76,"wrongIndex":77,"corrections":78},"This is the first mention of one fruit; listen to its first sound.",[66,67,68,69,70,71,72,73,74,30,75],"Mia","said","any","fruit","was","fine,","so","she","chose","orange.","an",9,[76,24,33,35],{"id":80,"sentenceTemplate":81,"displayOrder":82,"explanation":83,"exampleSentence":84,"blanks":85,"payload":86},"01a01413-951f-7aeb-9d1c-ddd343682846","Leo described a wallet. A same wallet was later found under Maya's desk.",3,"Use 'The' in the fixed phrase 'the same wallet' because it is the wallet already mentioned. The other choices cannot express that exact link.","Leo described a wallet. The same wallet was later found under Maya's desk.",[],{"hint":87,"words":88,"correct":100,"wrongIndex":9,"corrections":101},"The second sentence refers back to the wallet already described.",[89,90,30,91,92,93,94,70,95,96,97,98,99],"Leo","described","wallet.","A","same","wallet","later","found","under","Maya's","desk.","The",[100,102,103,104],"An","Every","One",{"id":106,"sentenceTemplate":107,"displayOrder":9,"explanation":108,"exampleSentence":109,"blanks":110,"payload":111},"01a01413-951f-7b5b-9d1c-ddd3437b5cb3","We crossed an Atlantic Ocean by ship.","Ocean names use 'the', so say 'the Atlantic Ocean'. The other determiners do not form the standard geographical name.","We crossed the Atlantic Ocean by ship.",[],{"hint":112,"words":113,"correct":24,"wrongIndex":31,"corrections":120},"Remember the article used with ocean names.",[114,115,76,116,117,118,119],"We","crossed","Atlantic","Ocean","by","ship.",[24,30,33,121],"our",{"id":123,"sentenceTemplate":124,"displayOrder":125,"explanation":126,"exampleSentence":127,"blanks":128,"payload":129},"01a01413-951f-7bcb-9d1c-ddd343cb1d50","Maya travelled through a Netherlands last summer.",5,"Plural country names use 'the', so say 'the Netherlands'. The other determiners do not form this country name.","Maya travelled through the Netherlands last summer.",[],{"hint":130,"words":131,"correct":24,"wrongIndex":82,"corrections":138},"Recall the pattern for plural country names.",[132,133,134,30,135,136,137],"Maya","travelled","through","Netherlands","last","summer.",[24,76,121,33],{"id":140,"sentenceTemplate":141,"displayOrder":142,"explanation":143,"exampleSentence":144,"blanks":145,"payload":146},"01a01413-951f-7c27-9d1c-ddd343d74e91","Nora bought the backpack at random. She had no special one in mind.",6,"Use 'a' for the first mention of one non-specific backpack. Buying it at random and having no special one in mind rule out a specific choice.","Nora bought a backpack at random. She had no special one in mind.",[],{"hint":147,"words":148,"correct":30,"wrongIndex":31,"corrections":160},"Was one particular backpack already chosen?",[149,150,24,151,152,153,154,155,156,157,50,158,159],"Nora","bought","backpack","at","random.","She","had","no","special","in","mind.",[30,76,33,35],{"id":162,"sentenceTemplate":163,"displayOrder":164,"explanation":165,"exampleSentence":166,"blanks":167,"payload":168},"01a01413-951f-7c8f-9d1c-ddd34480d9a7","Tonight, a moon looks bright above us.",7,"In this everyday context, everyone can identify the one moon, so use 'the moon'. The other determiners do not express this shared unique reference.","Tonight, the moon looks bright above us.",[],{"hint":169,"words":170,"correct":24,"wrongIndex":39,"corrections":177},"Think about a unique object everyone can identify.",[171,30,172,173,174,175,176],"Tonight,","moon","looks","bright","above","us.",[24,33,34,35],{"id":179,"sentenceTemplate":180,"displayOrder":53,"explanation":181,"exampleSentence":182,"blanks":183,"payload":184},"01a01413-951f-7cf7-9d1c-ddd34553f5cb","Our town has an only cinema in the area.","'Only' identifies one clear cinema, so use 'the only cinema'. The other choices do not form this unique-reference pattern.","Our town has the only cinema in the area.",[],{"hint":185,"words":186,"correct":24,"wrongIndex":82,"corrections":193},"Is there more than one cinema in the area?",[187,188,189,76,190,191,158,24,192],"Our","town","has","only","cinema","area.",[24,33,34,68],{"id":195,"sentenceTemplate":196,"displayOrder":77,"explanation":197,"exampleSentence":198,"blanks":199,"payload":200},"01a01413-951f-7d5b-9d1c-ddd3462cdd17","Maya saw the owl yesterday. Many owls live nearby, and she did not know which one it was.","Use 'an' for the first mention of one owl because 'owl' begins with a vowel sound. Maya did not know which owl it was, so a specific determiner does not fit.","Maya saw an owl yesterday. Many owls live nearby, and she did not know which one it was.",[],{"hint":201,"words":202,"correct":76,"wrongIndex":31,"corrections":217},"This animal is new to Maya and is mentioned for the first time.",[132,203,24,204,205,206,207,208,209,210,73,211,212,213,214,50,215,216],"saw","owl","yesterday.","Many","owls","live","nearby,","and","did","not","know","which","it","was.",[76,30,33,35],{"id":219,"sentenceTemplate":220,"displayOrder":221,"explanation":222,"exampleSentence":223,"blanks":224,"payload":225},"01a01413-951f-7db3-9d1c-ddd346cd9a53","After work, I go house.",10,"Say 'go home' with no article or preposition. 'Bed' and 'school' need 'to' here, and 'office' needs 'to the'.","After work, I go home.",[],{"hint":226,"words":227,"correct":232,"wrongIndex":9,"corrections":233},"Think about the common expression with \"home\".",[228,229,22,230,231],"After","work,","go","house.","home.",[232,234,235,236],"bed.","school.","office.","\u002Fuploads\u002Fimages\u002Fgpimg_a15dc469-5ca7-480a-b1ab-414a32ba142b_hero.webp",{"title":239,"slug":240,"language":241,"level":242},"Definite article (the)","definite-article-the","en","A1"]