Bài tập - Ngữ pháp - Động từ khuyết thiếu Must, have to, ought to

1. You _____ write on the walls.

• A. have to
• B. must
• C. don’t have to
• D. must not

2. Angela _____cook a lot of food yesterday because they will have a party.

• A. must
• B. have to
• C. had to
• D. could

3. You _____ to eat more, you are far too thin.

• A. ought not
• B. ought
• C. haven’t
• D. have

4. You ______ smoke in this room.

• A. must not
• B. ought not to
• C. don’t have to
• D. a & c

5. Young people ______ obey their parents.

• A. must
• B. mustn’t
• C. ought not to
• D. ought to

6. You ______ wear uniform or you will be punished.

• A. ought to
• B. have to
• C. must
• D. b and c

7. Lan ______ be so sad. She tried her best to get high marks.

• A. have to
• B. must
• C. mustn’t
• D. ought to

8. People ______ go to check – up every 6 months.

• A. have to
• B. must
• C. ought to
• D. ought not to

9. Minh ______ be out of the competition because he breaks the rule.

• A. has to
• B. must
• C. doesn’t have to
• D. have to