Question

【题目】It is not until all the fish died in the river ________how serious the pollution was.

A. did the villagers realize B. that the villagers realized

C. the villagers did realize D. didn’t the villagers realize

Answer 1

【答案】B

【解析】考查not until的强调句型。句意：直到河里的鱼都死光了,村民们才意识到污染是多么严重。此处是It is not until ---that---，的强调句型，故答案为B。