—How long have you been in this office?
—Just a few minutes. My cousins_______here together with me.
| A．have walked | B．had walked |
| C．walked | D．have been walking |
- Did I answer your question correctly?
- ______, but I saw your point.
| A．Obviously | B．All right | C．Not exactly | D．Let me see |
- Did I answer your question correctly?
- ______, but I saw your point.
| A．Obviously | B．All right | C．Not exactly | D．Let me see |
______ around the Water Cube, we were then taken to see the Bird’s Nest.
| A．Having shown | B．To be shown | C．Having been shown | D．To show |
Recently people have made great progress in using ______ power of nature to produce ______ electricity.
| A．a; the | B．/ ; / | C．the; / | D．a; an |
- Would you prefer to watch TV or see a movie?
- ______. It’s up to you to decide.
| A．I’d rather stay home | B．Either is OK with me |
| C．That’s all right | D．That’s not my favourite |