Edison kept phosphorus carefully in a bottle lest it . A. would burn B. burned C. was burn——青夏教育精英家教网—

摘要： Edison kept phosphorus carefully in a bottle lest it . A. would burn B. burned C. was burning D. should burn

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Edison kept phosphorus carefully in a bottle lest it ___.

A. would burn B. burned C. was burning D. should burn

Edison kept phosphorus carefully in a bottle lest it ___.
A. would burn 　 B. burned 　　　 C. was burning 　　 D. should burn

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