It is none of your business _____ other people think about you. Believe yourself.
| A．how | B．what | C．which | D．when |
—How far can you run without stopping?
—_________. I’ve never tried.
| A．Don’t mention it |
| B．That’s all right |
| C．I have no idea |
| D．Go ahead |
A serious study of physics is impossible ________ some knowledge of mathematics.
| A．against |
| B．before |
| C．beyond |
| D．without |
—I’m afraid you have the wrong number.
—Sorry! ________.
| A．See you later |
| B．I didn’t know that |
| C．Hold on, please |
| D．I hope I didn’t bother you |
________ you said at the meeting describes a bright future for the company.
| A．When |
| B．How |
| C．What |
| D．That |
It remains to be seen ________ the newly formed committee’s policy can be put into practice.
| A．that |
| B．which |
| C．what |
| D．whether |