Question

Doctor Wang      at seven o’clock for the conference, but she didn’t turn up.

A．should have arrived	B．should arrive
C．should be arrived	D．should be arriving

Answer 1

A

解析试题分析:考查情态动词。从后句but she didn’t turn up可知句子是陈述过去的事情，对过去的推断应该用情态动词+have done 。句意：王医生本应该7点钟来参加会议的，但是她没有露面。
考点：考查情态动词。