单项选择题

A．He should have made an appointment.
B．He should have called to cancel his appointment.
C．He should have come for his appointment.
D．He should have stayed at home until he was well.
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单项选择题
Only large companies and businesses use the Internet to do business.
A．Y
B．N
C．NG
单项选择题
A．His ability to play the organ.B．His interest in medicine.C．His doctoral degrees in philosophy and music.D．His talents in preaching.
A．His ability to play the organ.
B．His interest in medicine.
C．His doctoral degrees in philosophy and music.
D．His talents in preaching.
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