单项选择题

It"s high time you ______ to work.

A．set down
B．setted down
C．will set down
D．are setting down
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单项选择题
Jackson speaks Chinese fluently as if he ______ a Chinese.
A．is
B．would be
C．be
D．were
单项选择题
We have worked out the plan. ______ we need most now is time and money.
A．That
B．Which
C．Whether
D．What
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