单项选择题

______ way is more efficient is still a question.

A．What
B．Which
C．That
D．Whether
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单项选择题
It was recommended that they ______ for the doctor.
A．has waited
B．waited
C．should wait
D．should have waited
单项选择题
Our boss told me my plan was still ______ discussion.
A．in
B．under
C．of
D．with
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