The man shouted at the shop assistant,his arms constantly.
A. waving
B. waved
C. to wave
D. being waved
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I regretthe wonderful art exhibition last night.
A. not to see
B. to not see
C. not having seen
D. having not seen
in Hangzhou for more than ten years, he knew the city quite well.
A. living
B. having lived
C. lives
D. lived
The building nowdown is our old office building.
A. to be torn
B. torn
C. tearing
D. being torn
Electronic computers, which have many advantages, can not carry out creative work and replace man.
A. 有许多优点的电子计算机也不能代替人类去做创造性工作。
B. 电子计算机有许多缺点，既不能进行创造性工作，也不能代替人类。
C. 尽管电子计算机有很多优点，可它既不能进行创造性工作，也不能代替人类。
D. 电子计算机有很多优点，可它既不能进行创造性工作，也不能代替人类。
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