We have a high regard for Mr. Black because he always tries to ________ his principles.
| A．live up to | B．look forward to |
| C．catch up with | D．put up with |
My friend's car alarm ________ at midnight because it was thundering.
| A．gave off | B．turned off |
| C．put off | D．went off |
—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 |