There is nothing for us____

题目

There is nothing for us____
A.worry about
B.worrying
C.to worry
D.to worry about
2.Some children are arguing about what TV programmes___
A.watching
B.for watching
C.to watch
D.will watch
3.I have____work to do that I can't go out with you.
A.much too B.too much C.so many D.so much
这几题选什么呢,为什么?
我知道答案是D C D,但为什么？

答案

1.for sb.to do sth.排除A,B
worry about sth.担心某事,选D
2.C 不定式修饰 TV progemmes 争论该（将要）看哪个节目
3.so...that 选D
排除B.too...to 太...以致于不能
I have so much work that I can't go out with you.意思同 I have too much work to go out with you.