---We can use QQ to talk with each other on the Internet.
---Really? But can you tell me _______it.
| A．how I can use |
| B．how can I use |
| C．why can I use |
| D．when I can use |
The United Nations has done a lot for the peace of the world since it was in 1945.
| A．set off | B．set on |
| C．set up | D．set away |
He teaches ______ English there.
| A．them | B．their |
| C．they | D．Themselves |
We shouldn’t use plastic bags. We should take our own bags ___.And we also should walk ___driving to the supermarket.
| A．instead，instead | B．instead，instead of |
| C．instead of，instead | D．instead of，instead of |
Our teacher has chosen some students as volunteers, Mary, Sally and me.
| A．have included | B．are included |
| C．include | D．including |
ORBIS doctors invite local doctors and nurses _____ to learn new skills.
| A．in board | B．in the board |
| C．on board | D．on the board |