Many parents always _ _ their children"s study. [ ]A. worry

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Many parents always _      _ their children"s study.             [     ]
A. worry about
B. worried about
C. worry

答案

举一反三

—Don"t forget their address and telephone number.
—I will _____ in my notebook.[ ]
A. write them down
B. write it down
C. write down it
D. write down them

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Sometimes we _____ words from a sentence but the meaning of the sentence doesn"t change.[     ]
A. leave for
B. leave away
C. leave out
D. take out

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Don"t             your friends in class, or your teacher will be angry.               [     ]
A. say
B. speak
C. talk to

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I have __________ the problem for two hours, but I haven"t __________.[ ]
A. worked on, worked out it
B. worked at, worked it out
C. worked on, worked it out

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Mrs green is out.  I have to _____ her baby. [     ]
A. look for
B. look up
C. look after
D. look around

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