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 __mustn't___ tell anyone.
2. Richard __doesn't have to___ wear a suit to work but he usually does.
3. I can stay in bed tomorrow morning because I __don't have to___ go to work.
4. Whatever you do, you___mustn't__ touch that switch. It's very dangerous.
5. There's a lift in the building so we __don't have to___ climb the stairs.
6. You __mustn't___ forget what I told you.It's very important.
7. Sue __doesn't have to___ get up early, but she usually does.
8. Don't make so much noise. We __mustn't___ wake the children.
9. I ___mustn't__ eat too much. I'm supposed to be on a diet.
10. You ___don't have to__ 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 ______must____do the laundry every2 days
2. You ______mustn't____ stay out too late.
3. You ______mustn't_____ break the class’s rule
4. My mother doesn’t want me to arrive home late, so I _____must_____ leave now.
5. Those boys ______must_____ finish their homework before going out.
6. Jim _____must______ finish his essay today because he’s very busy tomorrow.
7. Passengers_____mustn't______ use phones on the plane.
8. You _____mustn't_____ be late for school tomorrow.
9. Children _______must________ be accompanied by an adult when visiting this dangerous place.
10. I _______must_____ be home before dinner.
11. Students_____mustn't____ talk during the exam.
12. You _______mustn't_____ cheat in a test.
13. There _______must______ be someone upstairs. I can hear the noise.
14. We ______must_______ give up on what we are doing.
15. You ____mustn't______ 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 ____have to_____learn Japanese. I need itmy job.
2. I ____must_____learn Japanese. I love it.
3. I ____must_____ wake up early tomorrow .I want to watch the sunrise.
4. I ___have to_____ wake up early tomorrow. I have a meeting early in the morning
5. I ____must____ wear a black dress because I want to look good.
6. I ____have to___wear a black dress because that is the requirement of my company.
7. I ___have to_______ go home now because it’s too late.
8. I ____must______ go home now because I have a lot to do.
9. I ____must_____go to see my friend because I miss her.
10. I ___have to______ go to see my classmate because we work on the same project.
11. You ____have to____ wear a tie in the company. It‘s one of their rules.
12. I _____have to______ go abroad next week. My boss wants me to sign a contract with our foreign customers.
13. I _______must___ work harder. I want to be successful.
14. This room is mess, I ____must_________ find time to clean it!
15. You really ____have to_______ 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 _______don't have to________pick me up tomorrow. I will take a taxi.
2. Look at that sign! You ____mustn't_______ walk on the grass.
3. You _____mustn't_____ blame anyone for your mistakes. You need to be responsible for yourself.
4. You ____mustn't______ be absent from class tomorrow because the teacher will check your attendance.
5. I ______don't have to______ prepare dinner because we will eat out tonight.
6. You ___mustn't______ leave any rubbish here. It is forbidden.
7. You ____mustn't______ let anyone know that. It is a big secret.
8. You ______don't have to____ come early tomorrow because the event will start late.
9. You _____mustn't_____ park your car here. There is a”No parking sign”
10. We don’t have much money left. We _____mustn't________ waste anymore.
11. They ___mustn't_______ forget their homework at home.
12. I _____don't have to_______ do the housework because I have a maid do it for me.
13. They ______mustn't______ break the rule that way. It is unacceptable.
14. I _______mustn't_____ use the computer after 11pm because my mother doesn’t allow me to.
15. You _____don't have to_____ buy that book. I will lend you mine.
