Without more coal_____the fire,it would soon go out.

题目

Without more coal_____the fire,it would soon go out.
A.added to B.added C.adding to D.added up to
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答案

首先明确,以人作主语,表示将某物添加到某物里去,是sb add sth to sth此处是人将煤加入火中,那么是...add the coal to the fire同样,改为被动即sth is added to sth这里主语是it,也就是物,代指前半句的coal然后,这里...