Question

I would have come sooner but I ________ that they were waiting. A．haven’t known B．hadn’t

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

Answer 1

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”。