We prefer__________alone rather than__________.
| A．staying; go out | B．staying; going out |
| C．to stay; to go out | D．to stay; go out |
—____________
| A．Why not? | B．Yes, help yourself. | C．Go ahead. | D．Y es. You’d better not. |
| A．food | B．diet | C．dish | D．meal |
| A．a; a | B．a; the | C．the; a | D．the; the |
| A．surrounding; in which | B．surrounded; in which |
| C．surrounded; where | D．surrounding; where |
I was really anxious about you. You _______ have left home without a word.
| A．mustn't | B．shouldn't | C．needn't | D．couldn't |