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【单选题】

Don't forget _________ the lights when you leave the classroom.
[ ]

A.
to turn off
B.
to turn on
C.
turning off
D.
turning on
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参考答案:
参考解析:
.
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举一反三

【单选题】You____right,but____youarewrong. [ ]

A.
maybe;maybe
B.
maybe;maybe
C.
maybe;maybe
D.
maybe;maybe