When ____,water can change into vapor.A.heats B.heated C.heating D.to heat
为什么?
什么是分词构句?什么时候用分词构句?
人气:473 ℃ 时间:2020-04-13 04:27:50
解答
B.heated 过去分词作状语,因为水是被加热的,故用过去分词表被动,而现在分词则表主动.相当于when it is heated,water...
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