单项选择题

A．Forty-five minutes.
B．Over an hour.
C．Less than ten minutes.
D．About twenty minutes.
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单项选择题
A．It is having financial trouble.B．Its chemistry program is very popular.C．The fees for the chemistry course have been reduced.D．The number of students has doubled.
A．It is having financial trouble.
B．Its chemistry program is very popular.
C．The fees for the chemistry course have been reduced.
D．The number of students has doubled.
单项选择题
A．The time.B．The schedule.C．Who treats.D．By what they’ll go.
A．The time.
B．The schedule.
C．Who treats.
D．By what they’ll go.
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