I like dumplings___________ my sister doesn’t like them.
A. and B. so C. But
Eat less and exercise more，otherwise you’11 get out of．
| A．order | B．weight | C．shape | D．balance |
Recycling is one way to protect the environment，reusing is．
| A．another | B．the other |
| C．other | D．other’s |
— I’m too tired to go any further.
—_______! I’m sure you can make it.
| A．No problem | B．Not bad |
| C．Come on | D．What a pity |
— Excuse me, is this seat taken?
—_____. That man got his books and left a few minutes ago.
| A．I’m afraid so | B．I don’t know |
| C．I don’t think so | D．I hope not |
—Has your friend completed his design?
—Not yet. He _______ on it last night.
| A．worked | B．has worked |
| C．is working | D．was working |