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.

    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 Cause 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