问题
选择题
I would have come sooner but I ________ that they were waiting.
A．haven’t known
B．hadn’t known
C．don’t know
D．didn’t know
答案
答案：D
因为would have come是表示与过去事实相反的虚拟语态，所以是“我当时不知道他们在等”。
搜题请搜索小程序“爱下问搜题”