Don"t have the water _____ while you brush your teeth. [ ]A. run B

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Don"t have the water _____ while you  brush your teeth.     [     ]
A. run
B. running
C. being run
D. to run

答案

举一反三

The boy____on the ground said that he____the book on the table.   [     ]
A. lied: laid
B. lying; laid
C. who lied; lay
D. lying;  lay

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— Where has Tom gone?
— He was seen _____ football on the playground a few minutes ago.  [     ]
A. playing
B. play
C. to be played
D. played

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A resident spotted a man _____ in his car_____ the explosion andnotified the police. [     ]
A. sit; watching
B. sitting; watched
C. sitting; watching
D. sitted; watch

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A cook will be immediately fired if he is found _____  . [     ]
A. smoke
B. smoking
C. to smoke
D. smoked

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Although he is well off, he is living in a  house _____  only 20 square metres.     [     ]
A. to measure
B. measured
C. measuring
D. to be measured

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