1.Tom did nothing but take back __back what he had said.A.to take B.take

题目

1.Tom did nothing but take back __back what he had said.A.to take B.take
2.Now we could no to do anything but__for him here.
A.wait B.to wait
我们老师说有do没to 有to没do...那为什么这两道题答案都是do呢?

答案

晕,你怎么理解的,是前面有do的时候后面的to do 前的to 省略,所以两题都选do是没问题的啊