When (heat)______iron can be changed into liquid.

admin2010-02-05  47

问题 When (heat)______iron can be changed into liquid.

选项

答案heated

解析 句意:铁加热时,能变成液体。该题考查的是非谓语动词。分词作状语,从句意看,主语与分词形成被动关系,用过去分词。
转载请注明原文地址:https://kaotiyun.com/show/2iqK777K
0

最新回复(0)