1. Al 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. Tom is sitting at his desk. He is reading his chemistry text because he has a test tomorrow. He __________ A. could study B. should be studying C. will study D. must be studying 3. When Mr. Lee was younger, he___________ work in the garden for hours, but now he has to take frequent rest because he has emphysema. A. has got to B. could C. should be able to D. must be studying 4. Whenever my parents went out in the evening, I ______the job of taking care of my younger brother. A. would get B. should get C. must have gotten D. had better get 5. Peter ____________rather sleep on a mattress than on the floor. A. shall B. could C. would D. must 6. Jimmy and Maria were mischievous children. They _______tricks on their teachers. A. could play B. used to play C. could have played D. may have played 7. Robert has a new car. He___________ it for a very good price. He paid 30 % less than the regular retail cost. A. could buy B. had to buy C. was supposed to buy D. was able to buy 8. "Did you enjoy a picnic?"/" It was O. K, but I'd rather__________to a movie." A. go B. be going C. have gone D. went 9. "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 was out of town on that day.' A. committed B. may not have committed C. wasn't supposed to commit D. couldn't have committed 10. "Since we have to be there in a hurry, we ________________take a taxi. " / "I agree." A. had better B. may C. have been used to D. are able to 11. "It _________rain this evening. Why don't you take an umbrella?”/ “That's a good idea!" A. had better B. could be C. must D. might 12.___________you hand me that pair of scissors, please?" / "Certainly." A. May B. Shall C. Will D.Should 13. “Larry drove all night to get here for his sister's wedding. He _____exhausted by the time he arrived." A. ought to be B. could be C. must have been D. will have been 14. "What are you doing here now? You ____________be here for another three hours." "I know. We got an early start and it took less time than we expected I hope you don't mind.” A. couldn't B. might not C. had better not D. aren't supposed to 15.“_________taking me downtown on your way to work this morning?" / "Not at all." A. Can you B. Why don't you C. Would you mind D. Could you please