单项选择题

A．Because she wants to keep fit.
B．Because the sports centre only offers aerobics classes for women.
C．Because that was the only class she knew about.
D．We are not told.
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单项选择题
A．In 30 minutes.B．Just before midday.C．Long before midday.D．In 30 minutes, if she runs.
A．In 30 minutes.
B．Just before midday.
C．Long before midday.
D．In 30 minutes, if she runs.
单项选择题
A．Books written by French authors are the best sources.B．Paperback books are cheap.C．The Internet is a better source of information.D．Most books are constantly being rewritten.
A．Books written by French authors are the best sources.
B．Paperback books are cheap.
C．The Internet is a better source of information.
D．Most books are constantly being rewritten.
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