, water changed into steam.A. Heated B. HeatingC. Being heatingD. to heat

发布时间：2020-08-16 14:51:56

    , water changed into steam.
A. Heated
B. Heating
C. Being heating
D. to heat

网友回答

(答案→)A. Heated
B. Heating
C. Being heating
D. to heat
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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