M7U1动词不定式练习.doc unit 1: 语法— 动词不定式练习 单项选择 : 1. It is the greatest happiness on earth ______. A. loving and to be loved B. to love and being loved C. to love and to be loved D. love and be loved 2. It's very foolish _____ it? A. for you to say B. of you to say C. with you saying D. in your saying 3. It remains _______ whether global warming will do good or harm to the earth. A. to see B. to be seen C. seeing D. seen 4. That beggar seems _____ anything yesterday. A. not to have eaten B. not to eat C. didn't eat D. to not have eaten 5. ---- I didn't hear you come in last night. ---- That's good. We tried_____ noisy. A. not be B. not to be C. to be not D. to not be 6. ---- My baby has a heart trouble. ---- Did the doctor find it difficult ______ ? A. in treating B. treating C. for treating D. to treat 7. ---- Go to the theatre with me, will you? ---- I should like ______, but I don't have time. A. to B. too C. to do D. to go to 8. I really don't know ____ . A. to swim B. how to swim C. to swim how D. how swim 9. Nobody likes ______. A. to speak ill of B. to be spoken ill of C. speaking ill of D. spoken ill of 10. ---- I'll help you whenever you need me. ---- Good. I'd like _____me tomorrow. A. you helping B. that you will help C. you to help D. that you help