Don"t forget _________ the gas when you leave home. [ ]A. to turn off B. to

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Don"t forget _________ the gas when you leave home. [     ]
A. to turn off
B. to turn on
C. to turn down
D. turn up

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举一反三

When you leave, don"t forget ______ off the light.[     ]
A. to turn
B. turning
C. turn
D. turned

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You"d better _____ for school again. [ ]
A. not be late
B. not to be late
C. be not late
D. to not be late

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^_ I feel tired and weak.
^_ Why not stop ________.[ ]
A. to work
B. to have a rest
C. having a rest
D. to go on with your work

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I warn them _____ with fire. [ ]
A. to play
B. not to play
C. playing
D. to playing

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He told me ___ too much in class any more.  [     ]
A. didn"t talk
B. not talk
C. not to talk
D. to not talk

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