_______, water changed into steam.A.Heated B.HeatingC.Being heatingD.to heat
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_______, water changed into steam.A.Heated | B.Heating | C.Being heating | D.to heat |
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答案
A |
解析
考查非谓语动词,句中逻辑主语与heat之间的关系为被动关系,故用过去分词,选A。 |
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