单项选择题

—Must I dean the room now
—No, you ______.

A．can't
B．mustn't
C．needn't
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单项选择题
Mr. Smith will have something ______ at the class meeting this afternoon.
A．to tell
B．to speak
C．to say
单项选择题
You don't need to describe (描述) her. I ______ her several times.
A．met
B．have met
C．meet
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