The waste water, when _______，should be clean enough to meet standards.
| A．releasing | B．being released | C．released | D．to be released |
We must________our daily expense________what we can afford. Or we'll not be able to make ends meet.
| A．spend; on |
| B．limit; to |
| C．take; to |
| D．use; for |
The Red Army men________25,000 li in the Long March.
| A．went |
| B．ran |
| C．walked |
| D．covered |
Learning to speak Chinese is a challenge, for it is often difficult for one foreigner to make himself easy________.
| A．understand |
| B．to understand |
| C．understood |
| D．understanding |
Different from________films which have brought him world fame, Zhang Yimou is so fascinated with the new film that he will put on similar show in________Lijiang City of Southwest Yunnan Province.
| A．the; the |
| B．the; 不填 |
| C．不填； 不填 |
| D．不填； the |
You're fortunate________such a good chance.
| A．for getting |
| B．into getting |
| C．to getting |
| D．in getting |