__________ in watching the car passing by that he didn't notice his friends.
| A．So absorbed had he been |
| B．Such absorbed had he been |
| C．So he had been absorbed |
| D．Such had he been absorbed |
It is generally considered unwise to give a child _______ he or she wants.
| A．however | B．whatever | C．whichever | D．whenever |
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 |