Whatdoestheunderlinedword“obstacles”mean?(1word)____________

Whatdoestheunderlinedword“obstacles”mean?(1word)________________________________

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A.droppedoutB.showedupC.lookedaroundD.calledback

A.droppedoutB.showedupC.lookedaroundD.calledback

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A.killB.saveC.waitD.spend

A.killB.saveC.waitD.spend

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Thepracticeofstudentsendlesslycopyinglettersandsentencesfrom

Thepracticeofstudentsendlesslycopyinglettersandsentencesfromablackboardisathingo

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请在第____18___处填上正确答案。

请在第____18___处填上正确答案。

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