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

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

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

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

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

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.

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

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