单项选择题

A．She’’d like to have the windows open.
B．She likes to have the air conditioner on.
C．The air is heavily polluted.
D．The windows are already open.
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单项选择题
E
单项选择题
If you have a feeling of lightheadedness, you’’ll need professional help.
A．Y
B．N
C．NG
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