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  • 科目:英语
  • 题型:单选题
  • 难度:较易
  • 人气:1953

Fireworks, ________ of gun powder or flash powder _______ in a tight paper tube, make the big flash or boom effect. 

A.consisting…wrapping B.consisting…wrapped
C.consisted…wrapped D.being consisted….wrapped
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Fireworks,ofgunpowderorflashpo