摘要： sleeping

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Sleeping with the lights ________ is a waste.

A.
on
B.
turn on
C.
burned
D.
out

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Sleeping with the lights on is a waste. You'd better ________ all the lights are off before you go to bed.

A.
look for
B.
try out
C.
make sure
D.
think hard

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Sleeping _____ is bad for your health.

A. too man
B. too much
C. many to
D. much too

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Sleeping with the lights on is a waste. You'd better______all the lights are off before you go to bed.

A. look for
B. try out
C. make sure
D. think hard

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Sleeping with the lights on is a waste. You had better _____ all the lights are off before you go to bed.

A. make sure
B. look for
C. try out
D. think hard

查看习题详情和答案>>