【题目】Mr. White ___________ at 8:30 am for the meeting, but he didn’t show up.
A. ought to arrive B. should arrive
C. should have arrived D. was supposed to arrived
在线课程【答案】C
【解析】考查情态动词用法。句意：怀特先生本应该在8：30来参加会议的，但是他没有出现。
Should have done本应该做某事，实际上却未做；根据后面的did说明是对过去发生的情况的推测。故选C.