It’s a common scene in the film Tangshan Earthquake that families cry helplessly over _____ is left of their homes.
| A．what | B．which | C．there | D．it |
I ___________come yesterday, but I couldn’t.
| A．was to have | B．must | C．ought | D．have to |
If I ____________out of my ink, I would have finished writing the paper.
| A．didn’t run | B．shouldn’t run | C．haven’t run | D．hadn’t run |
The professor gave orders that the test ___________before 5:30.
| A．be finished | B．will finish | C．will be finished | D．shall be finished |
The possibility of a way out of the impasse(僵局) had never ____________ to anyone.
| A．happened | B．occurred | C．appeared | D．flashed |
I appreciated ____ the opportunity to study abroad two years ago.
| A．having been given | B．having given | C．to have been given | D．to have given |