单项选择题

_________ is quite difficult for Mary to pass the interview.

A．What
B．This
C．That
D．It
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单项选择题
If I work in a small factory, it is not （） for me to gain much experience.

A、weekly
B、friendly
C、likely
D、lively
单项选择题
Most of the machines in the workshop _________next month.
A．are repaired
B．have been repaired
C．were repaired
D．will be repaired
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