The number of students in our school _________ by over 20 percent in the last three years .
| A．is fallen | B．has fallen |
| C． are fallen | D．have fallen |
---______ a small plane in the future? ---Yes, I think so.
| A．Will everyone have | B．Is everyone having |
| C．Has everyone have | D．Does everyone have |
Tony gets up very late in the morning, ______ he is often late for school.
| A．because | B．so | C．but | D．or |
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 |