– Can I watch TV now, Mum?
– No, you can’t watch ______ you finish your homework.
A. as B. after C. until
In school，we often learn English by working________a group．
| A．and |
| B．on |
| C．with |
| D．in |
The students raise money for their school trip________newspapers．
| A．selling |
| B．on selling |
| C．by selling |
| D．to sell |
You won’t feel happy at school________you get on well with your classmates．
| A．though |
| B．when |
| C．unless |
| D．because |
I’m not sure whether I can hold a party in the open air，because it________the weather．
| A．stands for |
| B．depends on |
| C．lives on |
| D．agrees with |
—Do you think________Xiao Ming can pass the high school entrance exam or not?
—Sorry，I’ve no idea．
| A．that |
| B．which |
| C．when |
| D．whether |