单项选择题

We consider () the instrument be adjusted each time it is used.

A. that it necessary
B. it necessary that
C. necessary that
D. necessary of it that

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热门试题

单项选择题Hardly () the TV () the electricity was cut off.

A. had I turned on…when
B. did I turn on…than
C. have I turned on…before
D. does I turn on…after

单项选择题My mind wasn't on what he was saying so I'm afraid I ______ half of it.