Looking back their senior school life, many university students said they____have wasterd so much time on computer games then.
| A．couldn’t | B．wouldn’t | C．needn’t | D．shouldn’t |
The rule is true __________ all cases.
| A．about | B．on |
| C．of | D．to |
Don't worry; the guide will tell you how to avoid __________ ill while travelling.
| A．to get | B．being got |
| C．getting | D．to be getting |
Money ________ happiness; you need a certain amount (数量) to live comfortably, but more money does not necessarily buy more happiness.
| A．plays a part in |
| B．takes part in |
| C．makes a fool of |
| D．adds up to |
With the price rising, $100 a month could hardly ________ the cost of his life in such a big city.
| A．cover |
| B．afford |
| C．include |
| D．contain |
No sooner __________ the office than __________ his computer to check his e-mails.
| A．had he entered; did he started |
| B．had he entered; he started |
| C．he had entered; did he started |
| D．he had entered; he started |