题目内容

I don't remember __________ a chance to make a presentation before so many customers.

A. to have been given
B. having given
C. having been given
D. to have given

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It ___________ that light music keeps people from becoming sleepy at their work.

A. found
B. has been found
C. has found
D. finds

The room __________ at the moment, so it isn't looking ___________.

A. is being painted; it's best
B. has painted; the best
C. is painted; its best
D. has been painted; best

When her husband died, all her happiness _____________.

A. had damaged
B. damaged
C. was destroyed
D. destroyed

Don't be too hard on Jane; it was not her fault that the wase __________.

A. has broken
B. is breaking
C. was broken
D. has been broken

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