单项选择题

I don't know whether you happen ______ , but I'm going to study in the U.S.A. this September.

A．to be heard
B．to be hearing
C．to hear
D．to have heard
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单项选择题
A．Friends.B．Wife and husband.C．Strangers.
A．Friends.
B．Wife and husband.
C．Strangers.
单项选择题
A．At about 9: 13.B．At about 9: 00.C．At about 9: 30.
A．At about 9: 13.
B．At about 9: 00.
C．At about 9: 30.
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