单项选择题

A．though
B．as
C．whether
D．if
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单项选择题
A．To help one deal with stress.B．To help one keep fit.C．To help one with sleeping problem.D．To keep one from being too busy.
A．To help one deal with stress.
B．To help one keep fit.
C．To help one with sleeping problem.
D．To keep one from being too busy.
单项选择题
A．The air is heavily polluted.B．She’d like to have the windows open.C．She likes to have the air conditioner on.D．The windows are already open.
A．The air is heavily polluted.
B．She’d like to have the windows open.
C．She likes to have the air conditioner on.
D．The windows are already open.
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