The mouse is ________the cursor on the screen.[ ]A. used for moving

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The mouse is ________the cursor on the screen.[     ]
A. used for moving
B. used to moving
C. using for moving
D. using to moving

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举一反三

Many people don"t agree that animals __________ in tiny cages.
A. should keep
B. should be kept
C. have to keep
D. have kept

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Lei Feng will ________ his spirit of devotion to others without any thought of himself.        [     ]
A. remembered for
B. be remembered
C. remember
D. be remembered for

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The world has a big headache and it _______ by money.  [     ]
A. cause
B. causes
C. is caused
D. are caused

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—What rules do you have at home?
—We _________ to go out on school night. [     ]
A. are let
B. let
C. allow
D. aren"t allowed

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用所给词的适当形式填空。1. _____ ( eight, year, old) should be allowed to drive.
2. Anna wants to get her ears_____ ( pierce).
3. Young trees should            _____( water) as often as possible.
4. You need             ______ (wear) warm clothes, or you"ll catch a cold.
5. The old should                   __ (speak) to politely.

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