单项选择题

Time ______ very fast and a new year will begin soon.

A．takes off
B．goes by
C．pulls up
D．gets along
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单项选择题
I didn't answer the phone ______ I didn't hear it ring.
A．if
B．unless
C．although
D．because
单项选择题
In his report of the accident be ______ some important details.
A．missed
B．wasted
C．escaped
D．failed
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