--- The news that the scientists in China are trying the ways to reduce the fog and haze was? ---- Top notch! Never have I seen _____ before。
| A．a better one | B．a worse one |
| C．the best one | D．the worst one |
Thank you for __________ to help, but I can manage it myself.
| A．providing |
| B．supplying |
| C．giving |
| D．offering |
Tom went to his teacher for __________ on how to work out the problem.
| A．an advice |
| B．advice |
| C．advices |
| D．the advices |
—How about your journey to Mount Emei?
—Everything was wonderful except that our car __________ twice on the way.
| A．slowed down |
| B．broke down |
| C．got down |
| D．put down |
—I，m surprised to hear that Sue and Paul have __________.
—So am I. Tliey seemed very happy together when I last saw them.
| A．broken up |
| B．finished up |
| C．divided up |
| D．closed up |
He had to pause from time to time to wipe the sweat from his forehead，because the air-conditioning system __________.
| A．broke in |
| B．broke up |
| C．broke out |
| D．broke down |