1.I have had great deal of trouble______________________________.(跟得上班上的其他同学)

　　答案：1. keeping up with the rest of the class.

　　2.___________(我们没有人料到主席会出现) at the party. We thought he was still in hospital.

　　答案：2. none of us expected the chairman to turn up

　　3. A good many proposals were raised by the delegates,________________(正如预料的那样).

　　答案：3. as was to be expected

　　4. Most doctors recognize that medicine is as much__________(是一门科学，也是一门艺术).

　　答案：4. an art as it is a science

　　5. Some women ___________________(本来能够挣一份很好的工资) in a job instead of staying home, but they decided not to work for the sale of the family.

　　答案：5. could have made a good salary.

　　6.Over a third of the population was estimated_________(无法获得) to the health service.

　　答案：6. to have no access

　　7. Although punctual himself, the professor was quite used______________(习惯了学生迟到) his lecture.

　　答案：7. to students’ being late for

　　8. The price of beer____________(从50美分到4美元不等) per liter during the summer season.

　　答案：8. ranges/varies from 50 cents to $4

　　9.We’d like __________________(预订一张餐桌) five for dinner this evening.

        答案：9. to reserve a table for

　　10. There’s a man at the reception desk who seems very angry and I think he means____________(想找麻烦).

　　答案：10. to make trouble

　　11. It may be necessary to stop__________________________(每隔…时间) in the learning process and go back to the difficult points in the lessons.

　　答案：11. at intervals 　　

　　12. The mad man was put in the soft-padded cell lest he ______________(伤害自己).

　　答案：12. injure himself

　　13.Jean did not have time to go to the concert last night because she was_______________(忙着准备) her examination.

　　答案：13. busy preparing for

　　14. The ship’s generator broke down and the pumps____________________(不得不用手工操作) instead of mechanically.

　　答案：14. had to be operated manually

　　15. Why didn’t you tell me you could me the money? I___________________________ (本来不必从银行借钱的)

　　答案：15. needn’t have borrowed it from the bank.

　　16.By the time you get to New York, I____________(已经动身去) London.

　　答案：16. shall have left for

　　17. Buying clothes______________________(是一件很耗时的工作), because those clothes that a person likes are rarely the ones that fit him or her.

　　答案：17. is often a very time-consuming job

　　18. It’s time_____________________(采取措施) about the traffic problem downtown.

　　答案：18. something was done/some measures were taken

　　19. When I was very young, I was terribly frightened of school, but I soon______________(克服了这种心理).

　　答案：19. overcame it/got over it

　　20. Please don’t stand in the kitchen, you’re________________(挡路了).

　　答案：20. in the way