— Open the window please, Mike.
— ________? I didn't hear what you said.
A. Why B. Really C. Pardon
—________do you communicate with your friends far away？
—By sending e-mails．
| A．How |
| B．What |
| C．Why |
| D．When |
It’s a lovely day．What about________for a picnic？
| A．to go |
| B．going |
| C．go |
| D．goes |
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 |