挑错题(there) was （too） much dust that we （couldn't） see (what）was happening.
问题描述：
挑错题(there) was （too） much dust that we （couldn't） see (what）was happening.
(there) was （too） much dust that we （couldn't） see (what）was
A B C D
happening.
我觉得这句话没错,可是答案是b,请问b错在哪了?
答
应该是too...to结构的句子吧.
too much dust to see
so much dust that can't see.