________ 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 |
—Let's just play a game or something else.
—Sounds good, but give me a call before you come. My mom might try to ________ something else for me to do.
| A．catch up with | B．put up with |
| C．keep up with | D．come up with |
The thing that ________ is not whether you fail or not, but whether you try or not.
| A．matters | B．cares |
| C．minds | D．considers |
—There is still a copy of the book in the library. Will you go and borrow ____?
—No, I’d rather buy ____ in the bookstore.
| A．it; one | B．one; one |
| C．one; it | D．it; it |
We must take measures to stop various kinds of pollution ______ the environment gets worse.
| A．unless | B．until |
| C．before | D．when |
The rumor has been confirmed __________ UN peacekeeping forces would take operations in the region .
| A．what | B．why | C．that | D．how |