Fill in the blank

Obligation, no obligation, and prohibition

Read each Korean situation or dialogue and choose the expression that matches the required action, optional action, or prohibition.

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Question 1

A new student asks about the school uniform rule. 가: “학교에서 교복을 _____?” 나: “네, 매일 입어야 해요.”

Options: 입어도 돼요, 입어야 해요, 입으면 안 돼요

Question 2

You know the deadline but not the assignment. Ask: “내일까지 _____?”

Options: 하면 안 돼요, 해야 해요, 뭐 해야 해요

Question 3

You know that arrival is required but not the deadline. Ask: “_____?”

Options: 어디에 도착해야 해요, 몇 시까지 도착해야 해요, 도착해도 돼요

Question 4

You need to apply online but do not know the steps. Ask: “_____?”

Options: 어떻게 신청해야 해요, 언제까지 신청해야 해요, 어디에 신청해야 해요

Question 5

Posted notice: “접수는 오후 다섯 시에 끝납니다. 모든 신청자는 서류를 제출해야 _____.”

Options: 돼요, 합니다, 해

Question 6

A friend says the bus is leaving. 가: “지금 안 가도 돼요?” 나: “아니요, 지금 가야 _____.”

Options: 됐어요, 되요, 돼요

Question 7

The doctor says this medicine is necessary after dinner: “저녁을 먹은 뒤에 이 약을 _____.”

Options: 먹어야 해요, 안 먹어도 돼요, 먹으면 안 돼요

Question 8

The classroom already has enough books: “내일은 책을 _____.”

Options: 가져오면 안 돼요, 안 가져와도 돼요, 가져와야 해요

Question 9

Applying is optional: “원하지 않으면 _____.”

Options: 신청해야 해요, 신청하면 안 돼요, 신청하지 않아도 돼요

Question 10

Food is forbidden in the laboratory: “실험실에서 음식을 _____.”

Options: 먹으면 안 돼요, 안 먹어도 돼요, 먹어야 해요

Question 11

Exam rules forbid looking at another person’s answers: “다른 사람의 답을 _____.”

Options: 안 봐도 돼요, 봐야 해요, 보면 안 돼요

Question 12

A teacher speaks directly to Minsu during the test: “민수 씨, 다른 사람의 답을 _____.”

Options: 보지 마세요, 안 봐도 돼요, 봐야 해요

Question 13

A safety rule explains what is forbidden: “위험합니다. 이 문을 열면 _____.”

Options: 돼요, 안 돼요, 해야 해요

Practice Obligation, no obligation, and prohibition with this interactive fill-in-the-blank exercise of 13 questions. Choose the option that correctly completes each sentence, then submit to check your answers and get detailed feedback on every choice.

Practicing grammar in real sentences — rather than memorising rules in isolation — is one of the most effective ways to make a structure stick. You can retry as many times as you like to build accuracy and confidence using Obligation, no obligation, and prohibition in everyday Korean.

Looking for more practice? See all exercises for this lesson.