You will be late_______you leave immediately.
| A．until | B．if | C．or | D．unless |
It really seemed ages _____ the police came on the scene and cleared away the damaged
cars.
| A．before | B．after | C．when | D．as |
Finding her car stolen, _____.
| A．a policeman was asked to help | B．the area was searched thoroughly |
| C．it was looked for everywhere | D．Mrs. Green reported it to the police |
_____ lots of times, the song doesn’t sound as nice as before.
| A．Hearing | B．To hear | C．Having heard | D．Heard |
But for your support then, I don’t think we _____ the task.
| A．can manage | B．could have managed |
| C．could manage | D．can have managed |
—Do you know where the headmaster is? I have something urgent.
—Oh, he ____ have gone far, for the computer is still on in the office.
| A．won’t | B．mustn’t | C．can’t | D．wouldn’t |