Exercise I : Hãy chọn đáp án đúng trong số A.B,C hoặc D 1/ Ali painted his bedroom black. It looks dark and dreary. He ............ a different colour. a. had to choose b. should have chosen c. must have chosen d. could have been choosing 2. When Mr. Lee was younger, he ......... work in the garden for hours, but now he has to take frequent rests because he has emphysema. a. has got to b. can c. could d. should be able 3. Yesterday I ........ to a furniture store. I bought a new lamp there. a. could go b. went c. could have gone d. ought to have gone 4. Jimmy and Marie were mischievous children. They ....... . tricks on their teachers, which always got them into a lot of trouble. a. could play b. used to play c. could have played d. may have played 5. - Why are you so sure that Ann didn't commit the crime she's been accused of committing ? -She .......... that crime because I was with her, and we were out of town on that day. a. may not have committed b. couldn't have committed c. commited d. wasn't supposed to commit 6. Since we have to be there in a hurry, we ...... take a taxi. a. should b. may c. are able to d. have been used to 7. - It ........ rain this evening. Why don't you take an umbrella ? - That's a good idea. May I borrow yours ? a. had better b. could be c. might d. must 8/ - ...... you hand me that pair of scissors, please ? - Certainly. a. May b. Shall c. Will d. Should 9/ - Larry drove all night to get here for his sister's wedding. He ..... exhausted by the time he arrived. - He was. a. ought to be b. could be c. must have been d. will have been 10/ - You haven't eaten anything since yesterday afternoon. You........... be really hungry! - I am. a. might b. will c. can d. must 11/ - I left a cookie on the table, but now it's gone. What happened to it ? - I don't know. One of the children ................. it. a. had to eat b. should have eaten c. may have eaten d. could eat 12/ - What does Mr. Green do for a living ? - Nothing. He's very rich. He ..... work for a living. a. must not b. shouldn't c. doesn't have to d. hadn't better 13/ - Why are you so late ? - I ............... my aunt to the airport, The traffic was very terrible. a. could take b. should take c. had to take d. must have taken 14/ - They towed my car away from the executive parking lot yesterday. - You ............... have parked there. a. may not b. should not c. must not d. might not 15/ - I locked myself out of my apartment. I didn't know what to do. - You .......... your roommate. a. should have called b. would have called c. may have called d. must have called 16/ - Barbara just told me that she can't go to the meeting tonight. - She ......... go ! We need her there for the financial report. a. has to b. have to c. must be d. needs 17/ - I need some help with this table. ............ you lift the other end, please ? a. May b. Could c. Should d. Shall Cần chính xác