When you are sleeping, you had better all your windows closed. A. don’t keep B. not keep C. not to keep D. not keeping 【查看更多】

 

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When you are sleeping, you had better _____ all your windows closed.
[     ]
A. don't keep
B.  not keep
C.  not to keep
D.  don't to keep

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When you are sleeping, you had better __________ all your windows closed.

A. don’t keep        B. not keep        C. not to keep        D. not keeping

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When you are sleeping, you had better ________ all your windows closed．

[　　]

A．don’t keep

B．not keep

C．not to keep

D．not keeping

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