Bài 1:Complete the sentences with mustn't or don't/ doesn't have to
1. I don't want anyone to know about our plan. You _____ tell anyone.
2. Richard _____ wear a suit to work but he usually does.
3. I can stay in bed tomorrow morning because I _____ go to work.
4. Whatever you do, you_____ touch that switch. It's very dangerous.
5. There's a lift in the building so we _____ climb the stairs.
6. You _____ forget what I told you.It's very important.
7. Sue _____ get up early, but she usually does.
8. Don't make so much noise. We _____ wake the children.
9. I _____ eat too much. I'm supposed to be on a diet.
10. You _____ be good player to enjoy a game of tennis.
Bài 2: Điền động từ khuyết thiếu “must” hoặc ‘mustn’t” vào chỗ trống để hoàn thành các câu sau.
1. I __________do the laundry every2 days
2. You __________ stay out too late.
3. You ___________ break the class’s rule
4. My mother doesn’t want me to arrive home late, so I __________ leave now.
5. Those boys ___________ finish their homework before going out.
6. Jim ___________ finish his essay today because he’s very busy tomorrow.
7. Passengers___________ use phones on the plane.
8. You __________ be late for school tomorrow.
9. Children _______________ be accompanied by an adult when visiting this dangerous place.
10. I ____________ be home before dinner.
11. Students_________ talk during the exam.
12. You ____________ cheat in a test.
13. There _____________ be someone upstairs. I can hear the noise.
14. We _____________ give up on what we are doing.
15. You __________ let strangers enter the house while I’m not in.
Bài 3: Hoàn thành các câu sau bằng động từ khuyết thiếu “must“hoặc “have to” và động từ trong ngoặc.
1. I _________learn Japanese. I need itmy job.
2. I _________learn Japanese. I love it.
3. I _________ wake up early tomorrow .I want to watch the sunrise.
4. I ________ wake up early tomorrow. I have a meeting early in the morning
5. I ________ wear a black dress because I want to look good.
6. I _______wear a black dress because that is the requirement of my company.
7. I __________ go home now because it’s too late.
8. I __________ go home now because I have a lot to do.
9. I _________go to see my friend because I miss her.
10. I _________ go to see my classmate because we work on the same project.
11. You ________ wear a tie in the company. It‘s one of their rules.
12. I ___________ go abroad next week. My boss wants me to sign a contract with our foreign customers.
13. I __________ work harder. I want to be successful.
14. This room is mess, I _____________ find time to clean it!
15. You really ___________ stop driving so fast or you’ll have an accident!
Bài 4: Điền động từ khuyết thiếu “mustn’t” hoặc “don’t have to“ vào chỗ trống để hoàn thành các câu sau.
1. You _______________pick me up tomorrow. I will take a taxi.
2. Look at that sign! You ___________ walk on the grass.
3. You __________ blame anyone for your mistakes. You need to be responsible for yourself.
4. You __________ be absent from class tomorrow because the teacher will check your attendance.
5. I ____________ prepare dinner because we will eat out tonight.
6. You _________ leave any rubbish here. It is forbidden.
7. You __________ let anyone know that. It is a big secret.
8. You __________ come early tomorrow because the event will start late.
9. You __________ park your car here. There is a”No parking sign”
10. We don’t have much money left. We _____________ waste anymore.
11. They __________ forget their homework at home.
12. I ____________ do the housework because I have a maid do it for me.
13. They ____________ break the rule that way. It is unacceptable.
14. I ____________ use the computer after 11pm because my mother doesn’t allow me to.
15. You __________ buy that book. I will lend you mine.
1. have to
2. must
3. have to
4. have to
5. must
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