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 Theworkerexaminedthemachinecarefullytomakesurethatitwo...
問題詳情: Theworkerexaminedthemachinecarefullytomakesurethatitwouldn’t_______whileworking.A.breakaway  B.breakdown     C.breakup    D.breakout【回答】B知識點:詞組短語題型:選擇題...
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