— You can’t imagine ________ great fun playing computer games is.
— Really? But it may cause you a lot of trouble.
| A．what a | B．how | C．what | D．how a |
— There is somebody at the door. ________ it be Tom?
— No, it _______ be him. It’s just six o’clock. It’s too early.
| A．May; can’t | B．Will; won’t |
| C．May; mustn’t | D．Must; may not |
— Did you find the small village yesterday?
— Yes, without any difficulty, for it has ______ changed over years.
| A．hardly | B．greatly | C．clearly | D．nearly |
Many Chinese students think science subjects are _______ foreign languages.
| A．more difficult as | B．less difficult than |
| C．much difficult than | D．so difficult as |
Money is very important, ________ it is not the most important thing.
| A．or | B．and | C．but | D．so |