When you are sleeping, you had better _____ all your windows closed. [ ]A. n
题型：专项题难度：来源：
| When you are sleeping, you had better _____ all your windows closed. |
| [ ] |
A. not to keep
B. not keep
C. not to keeping
D. not keeping |
答案
| B |
举一反三
| You"d better _____ football in the street. |
A. not to play
B. not play
C. don"t play
D. play |
| Why not _____ to the city? |
A. go
B. going
C. to go
D. goes |
| You look tired. You"d better _____ and have a rest. |
A. going
B. go
C. to go
D. went |
| Beijing has _____ many buses that there is often a traffic jam in rush hours. |
A. so
B. such
C. too
D. much |
| Maybe they won"t come back _____ seven o"clock. Don"t wait for them for supper. |
A. when
B. until
C. if
D. at |
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