Question

【题目】–Linda hasn’t shown up yet.

–It’s strange. She ________.

A. could B. might

C. should have D. must have

Answer 1

【答案】C

【解析】考查虚拟语气。句意：— 琳达还没有出现。 —很奇怪。她本应该来了。should have done表示与过去事实相反的情形,意思是“本来应该做了某事但实际没有做”。故C选项正确。