1. When my father was young, he _____ work in the garden for long hours.
a. can b. could c. will d. should
2. He_____ have committed the crime because he was with me that day.
a. mustn't b. shouldn't c. won't d. couldn't
3. Since we have to be there by 8.30, we_____ take a taxi.
a. had better b. may c. ought d. are able to
4. It_____ rain this evening. Why don't you take an umbrella?
a. could be b. must c. might d. had better
5. _____ you help me with the homework?
a. May b. Shall c. Should d. Will
6. She hasn't eaten anything since yesterday. She_____ be really hungry.
a. might b. will c. must d. can
7. I put my keys on the table, but now it's gone. Someone_____ have taken it.
a. may b. had to c. should d. would rather
8. Daisy is reading her English test because she has a test tomorrow. She_____ be studying.
a. will b. should c. must d. can
9. We _____ put the fish in the fridge before it spoils.
a. had to b. may c. can d. had better
10. Mr. Brown is very rich. He_____ work hard for a living.
a. mustn't b. shouldn't c. can't d. doesn't have to
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