It's an explanation often by our friend. [ ] A.putting forwardB.put forward C.to
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![It's an explanation often by our friend. [ ] A.putting forwardB.put forward C.to](/pic/43_947827.jpg)
It's an explanation often _________by our friend.
[]
A.putting forwardB.put forwardC.to put forwardD.Puts forward试题答案
答案:B
解析:分析句子结构可知,空白处要用非谓语动词,因表被动关系,故用过去分词短语作定语。 |