单项选择题

A．They are walking.
B．They are drinking.
C．They are watching TV.
D．They are studying.
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单项选择题
A．Both.B．Apples.C．Thank you very much.D．Either.
A．Both.
B．Apples.
C．Thank you very much.
D．Either.
单项选择题
A．On a bus.B．In the station.C．At a meeting.D．At a post office.
A．On a bus.
B．In the station.
C．At a meeting.
D．At a post office.
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