The production ---- steadily,the factory needs an ever-incre

问题描述:

The production ____ steadily,the factory needs an ever-increasing supply of raw material.
答案是having gone up
has gone up
is going up
being gone up
这三个为什么不行哦?
1个回答 分类:英语 2014-12-07

问题解答:

我来补答
首先,英语的两个完整句子是不用逗号连接的.has gone up 和 is going up 使前半句形成完整句子,所以不选.
being gone up 为被动语态,这里不用被动语态.
再问: being gone up 为被动语态,是不是 being gone up前 加 is 也可以用哦?? 然后 having gone up 放进去我怎么觉得也是个句子哦??
 
 
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