摘要：25．Unless to speak, you should remain silent at the conference. A．having invited B．inviting C．being invited D．invited
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Unless ___ to speak, you should remain silent at the conference.
|
A．invited |
B．inviting |
C．being invited |
D．having invited |
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Unless _____ to speak, you should remain silent at the conference.
A．invited B．invite C．being invited D．having invited
查看习题详情和答案>>Unless to speak, you should remain silent at the conference.
A．invited B．inviting C．being invited D．having invited
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