Question

【题目】He switched off the light and was about to leave the classroom and only then____ to rain heavily.

A. it began B. it begins

C. does it begin D. did it begin

Answer 1

【答案】D

【解析】

考查倒装句。句意：他关掉灯，正准备离开教室，就在这时，天下起了大雨。Only修饰的状语放在句首，后面的主句要部分倒装，故选A。