单项选择题

I regret to say that your thesis requires more thinking than ______ for the problem is exceedingly complex.

A．to be put in
B．has been put in
C．being put in
D．have been put in
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单项选择题
His mother frequently denies him permission to do things, and that is ______.
A．ever
B．this
C．that
D．over
单项选择题
The staff in pediatrics ______ rushed whereas the geriatric ward is not busy at all.
A．is nearly always
B．nearly is always
C．always is nearly
D．is always nearly
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