_____ you finish your homework in time? ---- I’m afraid ______.
| A．May; mustn’t | B．Can ; not |
| C．Can; can’t | D．Must ; needn’t |
— I was at the cinema at 9 o’clock last night. What about you? — I _____ at home.
| A．am watching TV | B．was watching TV |
| C．will watch TV | D．watched TV |
They missed the school bus, _____ they were late for class.
| A．or | B．but |
| C．because | D．so |
—_____ do you go to the cinema? — Once a month.
| A．How soon | B．How long |
| C．How often | D．How far |
— Must I finish the work today? — No, you _____.
| A．mustn’t | B．wouldn’t |
| C．needn’t | D．couldn’t |
Betty will ring me up as soon as she _____ in Shanghai.
| A．arrive | B．arrives |
| C．arrived | D．will arrive |