—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 |
In the face of _____ failure, it is vital that we should keep up _____ good state of mind．
| A．a; / | B．/; a | C．the; / | D．/; the |
What he said just now ___________ me of that American professor.
| A．mentioned | B．informed | C．memorized | D．reminded |
Rather than ________ abroad with her parents, she preferred __________ volunteer work during the holiday.
| A．to travel; to do | B．travelling; doing | C．travel; to do | D．to travel; doing |
A library with five thousand books ____________ to the nation as a gift.
| A．have offered | B．are offered | C．has offered | D．is offered |
The experts advised ____________ our army ____________ modern weapons.
| A．equipping; for | B．to equip; with | C．equipping; with | D．to equip; for |