单项选择题

Please return in an hour. I'll be ready ______ then.

A．till
B．by
C．at
D．on
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单项选择题
I went to the USA ______ way of Japan.
A．by
B．on
C．in
D．to
单项选择题
I don't really know what to ______ John, who is so difficult to please.
A．handle
B．do with
C．deal with
D．arrange
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