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
In as much as a year does not elapse without a certain number of villagers falling victim to the ferocity of a tiger, its roar is ______ heard by the natives ______ feelings of terror.
A．not... with
B．not... without
C．seldom... with
D．always... without
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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