--Iheardthephoneringingintheofficenextdoor.--You

问题详情：

 -- I heard the phone ringing in the office next door.

-- You _______ it. They haven’t got a phone yet.

A. couldn’t hear                                            B. couldn’t have heard

C. didn’t hear                                                         D. wouldn’t have heard

【回答】

D

知识点：虚拟语气与情态动词

题型：选择题