Without more coal_____the fire,it would soon go out.A.added to B.added C.adding to D.added up to-
问题描述：
Without more coal_____the fire,it would soon go out.
A.added to B.added C.adding to D.added up to
-
答
add sth to sth增加，加添
煤应该是被添加，所以是added
选A
答
add to
加入
added to被加入
Without more coal (added to) the fire, it would soon go out.
如果不再加些煤，火很快就会灭掉。
煤是要被加入火中的，因此用被动形式
add up to加起来（总数）为
added后面没有介词，不成立，无法与fire连接
adding to语态不对，煤不能自己加到火中
答
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...