8. They asked me to have a drink with them. I said that it was at least ten years since I _______ a good drink.
A. had enjoyed B. was enjoying
C. enjoyed D. had been enjoying
答：A。“it is+一段时间+since...”中从句用过去时。“it was+一段时间+since...”中从句用过去完成时。
9. —Have you moved into the new house?
—Not yet, the rooms________.
A. are being painted B. are painting
C. are painted D. are being painting
答：A．题干中Not yet是信息句，说明没搬人新房子的原因是“房间正在粉刷”，应用被动语态。
10. That suit _________ over 60 dollars.
A. had costed B. costed
C. is costed D. cost
答：D。cost值……，为不及物动词，不能用被动语态，其过去式及过去分词和原形相同．
11. I________ten minutes to decide whether I should reject the offer.
A. gave B. was given
C. was giving D. had given
答，B．“给我十分钟时间来考虑”应用被动语态。
12. My brother ______ while he ______ his bicycle and hurt himself.
A. fell, was riding B. fell, were riding
C. had fallen, rode D. had fallen, was riding
答；A．fell这一瞬间动作，发生在was riding这一延续性的动作之中。如： Granny fell asleep while she was reading newspapers.
13. Tom was disappointed that most of the guests _________ when he__________ at the par-ty.
A. left, had arrived
B. left, arrived
C. had left, had arrived
D had left, arrived
答：D。when意为“当……时”，常表示当一个动作发生时，另一个动作正在进行或已经完成。
14. The new secretary is supposed to report to the manager as soon as she___________.
A. will arrive B. arrives
C. is going to arrive D. is arriving
答：B。be supposed to do...应该做……。从句用一般现在时代替将来时。