More and more people have lost their jobs. No one knows how long it will be before the nation _______ from its present trouble.
| A．returns | B．repairs |
| C．recovers | D．requires |
- Excuse me, but I want to use your car. -- Well, you__ have my car unless you use it well.
| A．shan’t | B．might not | C．needn’t | D．shouldn’t |
Unfortunately, I caught a bad cold and ached all _____ last night.
| A．the way | B．over | C．at once | D．the worst |
After his long journey from Australia. Tom returned home, ____.
| A．exhausting | B．exhausted | C．being exhausted | D．having exhausted |
It is partly ______ the summer day is longer that everything has a larger time to warm up.
| A．for | B．that | C．the reason | D．because |
—May I go outside and play for a while, Dad?
—No, you can’t ____ your homework is being done.
| A．until | B．as | C．before | D．the moment |