They had a wonderful time _______________ .
| A．chat on the Internet |
| B．chatting on the Internet |
| C．chat in the Internet |
| D．chatting in the Internet |
Please __________ the picture on the wall.
A. set up B. put up C. grow up
If we don’t try our best to save our world, the future is ___________.
A. common B. clever C. hopeless
Smoking __________ our body.
A. does harm to B. drop in C. looks through
With the help of the teachers, I __________ in English.
A. made progress B. made differences C. made faces
Rongshui is ___________ city in Liuzhou.
A. big B. bigger C. the biggest