单项选择题

We are ______ to know what he means.
A) at a loss C) at least
B) at once D) at ease

A．We are ______ to know what he means.
B．at a loss
C．at once
D．at least
E．at ease
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单项选择题
He is inexperienced and not capable ______ the job. A) for C) in B) of D) about
A．He is inexperienced and not capable ______ the job.
B．for
C．of
D．in
E．about
单项选择题
We were asked to ______ our essay in three days. A) hand over C) hand in B) hand out D) hand down
A．We were asked to ______ our essay in three days.
B．hand over
C．hand out
D．hand in
E．hand down
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