语法练习(不定式) 1. People used _______ the moon was too far away _________. Now it is possible for man __________. A. to think; not to reach; to get there B. to think; to reach; to get there C. to thinking; to not reach; to get there D. to think; to reach; will get there 2. When you were talking to the policeman, I saw a teenager ______. A. getting on your car and driving off B. got on your car and drove off C. getting on your car and drive off D. get on your car and drive off 3. It isn’t cold enough for there ______ a frost tonight, so I can leave Jim’s car out quite safely. A. would be B. being C. was D. to be 4. The local health organization is reported ______ twenty-five years ago when Dr. Alice became its first president. A. to be set up B. being set up C. to have been set up D. having been set up 5. It is better to die on one’s feet than ______. A. live on one’s knees B. living one’s knees C. on one’s knees D. to live on one’s knees 6. After the earthquake, William came back only ______ his hometown severely damaged. A. to find B. finding C. to have found D. to be finding 7. Shall we go and listen to the reviewer _____________ on the new book? A. to comment B. comment C. to commenting D. to have commented 8. The two boys pretended _________ very hard, though they did nothing. A. having studied B. studying C. to be studied D. to be studying 9. Almost all the trainees failed _________ on the first try. A. in passing the driven test B. to pass the driving test C. have passed the driven test D. passing the driving test 10. To do the work correctly is more important than _______________. A. a quick finish B. to finish it quickly C. finishing it quickly D. finish it quickly