单项选择题

It is high time that you（）your work.

A．begin
B．began
C．will begin
D．has begun

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单项选择题

Must I hand in the paper right now No, you（）

A．mustn't
B．can't
C．needn't
D．shouldn't

单项选择题

This is the best movie（）I have ever seen.

A．which
B．where
C．that
D．it

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