语法19-2Doyouthinkharmfulustohavepollutedwater?A.this,ofB.one,forC.it,forD.that,of

Question

语法19-2
Do you think _____ harmful _____us to have polluted water?
A.this,of B.one,for C.it,for D.that,of

Answer 1

C
有一个句型是这样的
It is +adj（形容词）+for sb to do sth
这句话里,其实陈述句应该是：think (it) harmful (for )us to have polluted water.
只不过这里用的是疑问句
因此答案就出来了.