单项选择题

A．It’s useless.
B．It’s unnecessary.
C．It’s doubtful.
D．It’s helpful.
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单项选择题
A．Gently.B．Steadily.C．Fast.D．As fast as possible.
A．Gently.
B．Steadily.
C．Fast.
D．As fast as possible.
单项选择题
A．Help the woman look for the copies.B．Spend a few minutes looking over the work.C．Return later for the copies.D．Make his own copies.
A．Help the woman look for the copies.
B．Spend a few minutes looking over the work.
C．Return later for the copies.
D．Make his own copies.
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