题目内容

I believe we must think again about ________ Pro Cook said at the meeting.

A. that
B. what
C. which
D. /

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Could you please tell us ________ two computers are the cheapest among these?

A. which
B. what
C. that
D. whether

______ you have done things like that before doesn’t matter.

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

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A. if
B. whether
C. /
D. that

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A. that
B. if
C. that if
D. whether

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