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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Without more coal_____the fire,it would soon go out.A.added to B.added C.adding to D.added up to-
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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Without more coal_____the fire,it would soon go out.A.added to B.added C.adding to D.added up to-
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,这里的结构是with/without sth done,伴随状语(使用非谓语形式,也就是不出现被动句里的be动词)
再看看选项,体现被动的有A、B、D,B项没有介词to,再排除
剩下的A和D,add up to表示累加到,合计达,总计;意味着(而不是“添加”的意思)
故选A
句意:没有更多的煤加入火中,它很快会灭的.

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...

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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

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add sth to sth增加,加添
煤应该是被添加,所以是added
选A