单项选择题

He felt helpless in a situation ______ he could not move himself.

A．where
B．which
C．that
D．while
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单项选择题
The increase in student numbers_________many problems for the universities.
A．forces
B．presses
C．provides
D．poses
单项选择题
A．cutB．shortageC．lackD．drain
A．cut
B．shortage
C．lack
D．drain
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