--- The floor is dirty. Can anyone clean it?
--- ______. I do it all the time.
| A．Don’t mention it | B．Why you? | C．Not sure. | D．Not me again. |
I believe that human cloning is wrong. If we toy with nature, we will have to deal with the _______.
| A．concepts | B．conflicts | C．consequences | D．credits |
The salesman scolded the girl caught ____ and let her off．
| A．to have stolen | B．stealing | C．to steal | D．to be stealing |
With the successful launch of Tiangong-I, which was ______ breakthrough in space field, China's space dream took a step closer to ______ reality.
| A．a; / | B．the; a | C．a; the | D．the; / |
---Jenny, I think I’ll just have some coffee for a change．
---______．The coffee I bought yesterday is in the cupboard．
| A．Change it, please | B．Never mind | C．With pleasure | D．Help yourself |
Now that we’ve discussed our problem, are people happy with the decisions _________?
| A．taking | B．take | C．to take | D．taken |