Question

【题目】—The zookeeper was really annoyed with me.

—How could he have been if you______stones at the animals?

A. didn’t throwB. don’t throw

C. hadn’t thrownD. haven’t thrown

Answer 1

【答案】C

【解析】

试题分析：考查虚拟语气。句意：——动物管理员真的让我生气。——如果你不向动物扔石头，他怎么会这样？表示与过去事实相反的假设用过去完成时，故选C。