Bài tập 2: Chọn câu trả lời đúng
1. I’m not sure. I ___________ come a few minutes late.
A. may B. must C. mustn’t D. needn’t
2. Bring your umbrella. It ___________ rain later today.
A. must B. may C. mustn’t D. needn’t
3. “What are you doing this weekend?”
“I haven’t decided yet. I ___________ go on a picnic with my family.”
A. may B. may not C. must D. needn’t
4. “I didn’t have time for breakfast this morning.”
“You ____________ be very hungry now.”
A. might B. may C. mustn’t D. must
5. It’s quite urgent. You ___________ type the reports today.
A. must B. might C. needn’t D. would
6. Don’t worry if you’re a minute or two late. We ___________ be exactly on time for the meeting.
A. must B. mustn’t C. needn’t D. may
7. Jane’s glasses are on the desk, so she ___________ be here.
A. must B. shall C. ought D. will
8. The gas tank is almost empty. We ______________ stop at the next service station.
A. mustn’t B. might C. needn’t D. had better
9. A person ______________ eat in order to live.
A. have to B. must C. should D. may
10. A person ____________ eat a balanced diet.
A. should B. ought C. may D. must
11. I don’t have enough money to take the bus, so I ______________ walk home.
A. should B. mustn’t C. have to D. needn’t
12. You ______________ eat these mushrooms. They are very poisonous.
A. needn’t B. can’t C. mustn’t D. won’t
13. I can’t find my umbrella. I _____________ it in the restaurant last night.
A. must have left B. had left C. left D. might leave
14. I had a test this morning. I didn’t do it well. I ______________ last night.
A. should study B. must have studied C. should have studied D. must study
15. Tom goes to school very often, but he was absent yesterday. He ______________ ill.
A. must be B. must have been C. might be D. might have been.
