问题
选择题
If you had seen Mr. Chang at the meeting, you __ what to do now.
A．would have known
B．would know
C．will know
D．will have known
答案
答案：B
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If you had seen Mr. Chang at the meeting, you __ what to do now.
A．would have known
B．would know
C．will know
D．will have known
答案：B