单项选择题

Exceeding speed limits and ______ safety belts are two common causes of automobile death.

A．not having worn
B．not to wear
C．failing to wear
D．don't wear
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单项选择题
The company' s employment policy makes it clear that men and women have ______ opportunities.
A．equivalent
B．equal
C．identical
D．balanced
单项选择题
I won't have any influence over my little daughter ______ her mind is made up.
A．the minute
B．the moment
C．as soon as
D．once
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