题目内容
Unless _____ to speak, you should remain silent at the conference.
A. having invited B. inviting C. being invited D. invited
【答案】
D
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Unless ___ to speak, you should remain silent at the conference.
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A.invited |
B.inviting |
C.being invited |
D.having invited |
Unless________ to speak, you should remain silent at the meeting.
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A.invited |
B.inviting |
|
C.being invited |
D.having invited |