单项选择题

Why is the man busy

A．Because he has a date that day.
B．Because he is on duty at the library all day and can’t get out of it.
C．Because he is busy with his term paper.
D．Because his other friends will come.
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单项选择题
Which of the following would be appropriate to describe the instruments for surgical operations up until 1960s
A．Traditional.
B．Complicated.
C．Remarkable.
D．Revolutionary.
单项选择题
What does the woman mean
A．She knows the guy who will give the lecture.
B．She thinks the lecture might be informative.
C．She wants to add something to her lecture.
D．She’ll finish her report this weekend.
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