－Imissedthefirstpartofthefilm.Itwasreallyapity.－You

问题详情：

－I missed the first part of the film. It was really a pity.

－You _________ come half an hour earlier.

A．should have      B．must have C．should      D．must

【回答】

A

知识点：情态动词

题型：选择题