单项选择题

There is such a rapid increase in the number of private cars as to ______ a gas shortage.

A．causing
B．cause
C．caused
D．being caused
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单项选择题
A．a variety ofB．from the startC．not the leastD．at least
A．a variety of
B．from the start
C．not the least
D．at least
单项选择题
A．friendlyB．homelyC．dailyD．leisurely
A．friendly
B．homely
C．daily
D．leisurely
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