单项选择题

A．Once a week.
B．Once two weeks.
C．Once a month.
D．Once three weeks.
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单项选择题
A．She doesn’t enjoy swimming.B．She thinks she will never win an international competition.C．She can’t bear the hard training.D．She wants to do something other than swimming in her lif
A．She doesn’t enjoy swimming.
B．She thinks she will never win an international competition.
C．She can’t bear the hard training.
D．She wants to do something other than swimming in her lif
单项选择题
A．15.B．20.C．18.D．16.
A．15.
B．20.
C．18.
D．16.
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