Don"t_________about things so much. It will make you stressed out. [ ]A.

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Don"t_________about things so much.  It will make you stressed out.    [     ]
A. afraid
B. terrify
C. terrified
D. worry

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举一反三

I used to be shy.  I couldn"t_________.    [     ]
A. be alone
B. speak in public
C. say anything
D. sing a song

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When I was a child, I used to____chocolate.    [     ]
A. liking
B. like
C. liked
D. likes

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What makes it _________up and down?    [     ]
A. move
B. to move
C. moved
D. moves

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I used to_________to school by bike,  but now I am used to____  to school.     [     ]
A. go; walking
B. go; walk
C. going; walking
D. going; walk

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To protect the environment, we mustn"t ____ gum.             [     ]
A. have
B. eat
C. chew
D. chewed

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