题目内容
The house was reduced to _____by the fire _____by a cigarette butt.
| A. ash, cause | B.ashes, being caused |
| C. ash, being caused | D.ashes, caused |
D
考查非谓语动词。句意:这所房子被一场有烟头引起的大火化为灰烬。Ash是可数名词,结合语境可知应用复数形式。过去分词作补足语表示被动的发生过的动作,和被修饰词是动宾关系。故选D。
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