单项选择题

A．To keep the heat inside.
B．To prevent insects from escaping.
C．To keep the wood dry.
D．To reduce the danger of fire.
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单项选择题
A．Prepare for his examination.B．Go to the cinema after his examination.C．Ask the woman to help him with his study.D．See a film with the woman.
A．Prepare for his examination.
B．Go to the cinema after his examination.
C．Ask the woman to help him with his study.
D．See a film with the woman.
单项选择题
A．Avoid social situations.B．Stop taking certain drugs.C．Take naps during the day.D．Sleep eight hours a night.
A．Avoid social situations.
B．Stop taking certain drugs.
C．Take naps during the day.
D．Sleep eight hours a night.
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