Question

【題目】 Not until all the fish died in the river, ____ how serious the pollution was.

A. did the villagers realizeB. the villagers realized

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

Answer 1

【答案】A

【解析】

考查倒裝。句意：直到河里的魚都死了，村民才意識到污染有多么嚴重。not until位于句首時，采用部分倒裝，即：助動詞+（主句）主語+謂語，故A項正確。