单项选择题

It was not until the accident happened ______.

A．that I realized my carelessness
B．when I realized my carelessness
C．as I realized my carelessness
D．when my carelessness has been realized
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单项选择题
Weather ______ , we'll have an outing tomorrow.
A．permits
B．permitted
C．permitting
D．permit
单项选择题
A car mainly consists ______ a body, an engine, and four wheels.
A．with
B．of
C．in
D．to
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