You should ___ the students instead of just telling them what to do.
A. reason to B, reason with C. explain D. say
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 |
Up to now, large quantities of food __________ to Africa to save the starving people.
| A．has been sent | B．have been sent |
| C．are sent | D．is sent |
We've just moved into a bigger house and there's a lot to do. Let's __________ it.
| A．keep up with | B．do away with |
| C．get down to | D．look forward to |