Question

【题目】 Mr. White ___________ at 8:30 for the meeting, but he didn’t show up.

A. should have arrived B. should arrive

C. should have had arrived D. should be arriving

Answer 1

【答案】A

【解析】句意：怀特先生本该在8:30到达参加会议，但是他没有出现。should have done是＂本该做而未做＂的意思。