the fog won't clear until there's a wind ____it away.

问题描述:

the fog won't clear until there's a wind ____it away.
A to blow B blowing
为什么选择A,理由是什么.B错误在哪里?

这个是there be sb/sth to do \doing 句型,句子中的to do \doing 是作定语的,.
因为你这里已经有了将来时的won"t的将来时态的标志了,所以得用将来时的to do
表示动作要发生在将来时要用to do,
如果动作是正在发生时,要用doing,
如果动作是表示被动的,要用过去分词
如下面的句子:
There is a lot of work to do this night.
Look ,there are some people working there.
There is something to drink.
There are many bikes repaired.