____ the tomb, his bird was eaten by a snake.
| A．As soon as entered | B．When entering into |
| C．On entering | D．Upon entered |
—I’m planning to go to Kingdom of Cambodia this summer vacation. I think the trip will be exciting.
—____, as it’s the rainy season then.
| A．Yes, it will | B．Of course not |
| C．You can say so | D．It’s hard to say |
1 think we'd better keep to the subject, ______we'll waste our time．
| A．and | B．or | C．but | D．so |
No one can exactly tell us what .
| A．does Mona Lisa’s smile mean |
| B．Mona Lisa’s smile means |
| C．Mona Lisa’s smile does |
| D．does Mona Lisa’s smile |
---Look at the glasses on the desk．Are they David’s?
---They belong to him．I saw him go out with glasses just now．
| A．might | B．could | C．mustn’t | D．can’t |
of our classmates are good at basketball.
| A．Three quarters | B．Three fourth |
| C．Third four | D．Three four |