Chọn đáp án đúng (Modal Verbs)
1. The children ______ spend too much time playing computer games.
| A. mustn’t | B. ought to not | C. shouldn’t | D. Both B and C |
2. In case you’re suffered from the injury, you ______ see the doctor today.
| A. had better | B. must | C. ought | D. have better |
3. We ______ stop when traffic lights are red.
| A. might | B. should | C. must | D. can |
4. Remember to bring your raincoat. It ______ rain.
| A. should | B. might | C. need | D. must |
5. I ______ find my own way there. You ______ wait for me.
| A. should / can’t | B. have to / must | C. can / needn’t | D. might / mustn’t |
6. All students ______ wear uniforms at school because it is a rule.
| A. should | B. have to | C. ought to | D. must |
7. You ______ finish your homework before you go to bed.
| A. must | B. have to | C. should | D. ought to |
8. This drink isn’t beneficial for health. You ______ drink it too much.
| A. should | B. ought to not | C. ought not to | D. mustn’t |
9. This warning sign indicates that you ______ step on the grass.
| A. shouldn’t | B. mustn’t | C. don’t have to | D. ought not to |
10. I think you ______ do exercise regularly in order to keep your body in good shape.
| A. must | B. should | C. ought to | D. Both B and C |
11. I will lend you some money, but you ______ pay it back to me next week.
| A. should | B. have to | C. must | D. mustn’t |
12. Hoa ______ feed the cats because her mother has done it already.
| A. has to | B. doesn’t have to | C. must | D. Both A and C |
13. Those audiences ______ show their tickets before entering the concert hall.
| A. have to | B. must | C. ought to | D. don’t have to |
14. You’re having a stomachache. You had better ______ to the doctor.
| A. to go | B. went | C. go | D. going |
15. You ______ ring the bell because I have a key.
| A. mustn’t | B. needn’t | C. couldn’t | D. should |
16. It’s a hospital. You ______ smoke here.
| A. mustn’t | B. needn’t | C. may not | D. don’t have to |
17. Water park is free for kids under 6 years old, so you ______ pay money for your son.
| A. have to | B. mustn’t | C. should | D. don’t have to |
18. You look totally exhausted. You ______ take a rest instead of working overtime.
| A. should | B. ought | C. must | D. has better |
19. Anyone ______ have a passport, even a visa when travelling all around the world.
| A. ought to | B. must | C. should | D. has to |
20. In the peak season, travellers ______ book their accommodation in advance.
| A. have to | B. must | C. should | D. ought |
21. You ______ pick those flowers. Don’t you see the sign?
| A. mustn’t | B. don’t need to | C. can’t | D. needn’t |
22. It’s late. I think we ______ better go now.
| A. had | B. have | C. should | D. would |
23. We ______ take a bus to the school. It’s too far to walk.
| A. have to | B. has | C. should | D. may |
24. You ______ be very tall to play football.
| A. mustn’t | B. don’t have to | C. may not | D. can’t |
25. My car broke down yesterday, so I ______ catch a taxi to the office.
| A. have to | B. had better | C. had to | D. has to |
26. We ______ eat as much fruit as possible in order to get enough vitamins for our bodies.
| A. had better | B. should | C. ought to | D. All are correct |
27. You ______ tell anyone what I’ve revealed to you. It’s still a secret.
| A. mustn’t | B. had better not | C. ought not to | D. don’t have to |
28. If you still want to maintain this relationship, you ______ behave improperly like that.
| A. ought to not | B. ought not to | C. mustn’t | D. don’t have to |
29. When playing or swimming in the pool, children ______ be accompanied by their parents.
| A. should | B. must | C. don’t have to | D. have to |
30. We ______ go to work by car. Sky train is a wise choice during rush hour.
| A. ought to | B. mustn’t | C. shouldn’t | D. have to |
