题目内容

-Would you like to ________ the performance of newly developed energy saving device?-Sorry, but I am not in the position to ________.

A. make a comment on; comment
B. have a comment with; comment on
C. build up comments on; comment on
D. come up with a comment; on

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Would you please ______ your voice? The baby is sleeping in the next room.

A. raise
B. lower
C. lose
D. soften

__________ this material can be used in our factory has not been studied yet.

A. Which
B. What
C. That
D. Whether

The reason why I came back is______she would have been very angry if I hadn't.

A. that
B. because
C. for
D. that because

I don’t know ______ the day after tomorrow.

A. when does he come
B. how will he come
C. if he comes
D. whether he’ll come

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