单项选择题

A．Right away.
B．Surely he is.
C．He’s not sure.
D．Certainly not.
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单项选择题
The act of teaching is regarded as ______.
A．a job carried out by well-trained people
B．a technical skill
C．a complicated activity
D．an official certification
单项选择题
A．This coming weekend.B．I really appreciate it.C．The usual crowd.D．What if it rains
A．This coming weekend.
B．I really appreciate it.
C．The usual crowd.
D．What if it rains
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