单项选择题

By the time you get to Shanghai tomorrow, I （） for Chongqing.

A．am leaving
B．will leave
C．shall have left
D．had left

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单项选择题

A．was not
B．is not
C．had not been
D．has not been

单项选择题

A．unless
B．until
C．if
D．whether

单项选择题

A．excited the mother was
B．was the mother excited
C．the mother was excited
D．excited was the mother