单项选择题

It（）for a week and the streets were flooded.

A．has rained
B．had been raining
C．was raining
D．rained

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单项选择题

We proposed that work（）at once.

A．start
B．starts
C．will start
D．started

单项选择题

I would like to（）the new position since it is a challenge.

A．take up
B．take on
C．receive
D．get over

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