It was not until dark ______ he found ___ he thought was the correct way to solve the problem.
| A．that; what | B．that; that | C．when; what | D．when; that |
Now that you are in charge of the department, you are ___________ to carry out the plan.
| A．voluntary | B．bound | C．anxious | D．ambitious |
Most of her spare time ______ , she still kept on her research in the laboratory.
| A．occupied | B．had been occupied |
| C．to be occupied | D．was occupied |
He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.
| A．should | B．must | C．wouldn’t | D．can’t |
The police are trying to find out the ____ of the woman murdered in the bathroom．
| A．evidence | B．characteristic | C．status | D．identity |
—Didn’t the guard see him breaking into the bank?
—No, he ______ in the other direction.
| A．was looking | B．had looked | C．looked | D．is looking |