--- How much do I owe you for the meal?
--- _______. It’s nothing.
| A．You’re welcome | B．Forget it |
| C．With pleasure | D．That’s right |
Teachers are now aware of the difficulty that some students have __________ attention.
| A．paid | B．to pay | C．paying | D．pay |
—I made it at last. I am on top of the world!
— __________
| A．Congratulations. | B．Don't fall down! |
| C．Oh, really? | D．So far, so good. |
Liu Xiang trained hard before the Asian Games in Guangzhou, and it __________. He won the gold medal in 110 meters' hurdles.
| A．worked out | B．paid off |
| C．marked out | D．got through |
I can't __________ to lose the papers because they contain a lot of confidential information.
| A．afford | B．offer |
| C．allow | D．admit |
The USA __________ on several countries in the past years, which reminds us that a nation must be strong if it __________.
| A．has started war; is to survive |
| B．started war; is going to survive |
| C．had started war; will survive |
| D．has started war; is about to survive |