Every morning Mr. Smith takes a __________ to his office.
| A．20 minutes' walk | B．20 minute's walk |
| C．20-minutes walk | D．20-minute's walk |
151. In the past few years, the Chinese _____ has achieved many successes in diplomacy, economics and many other respects.
| A．people | B．nation | C．country | D．Government |
290. Since reforms and opening to the outside, five special economic _____ have been founded in China. They are Shenzhen, Zhuhai, Shantou, Xiamen and Hainan.
| A．areas | B．zones | C．districts | D．Prefectures |
289. Our victory in the school sports meet resulted from the collective__________of all the classmates.
| A．wisdom | B．wisdoms | C．brightness | D．cleverness |
288. My eldest sister was left these jewels in my grandmother’s deathbed.
| A．paper | B．letter | C．words | D．Will |
287. The clear colorless liquid that falls as rain, fills lake and rivers, and is necessary for life to exist is______.
| A．oxygen | B．petrol | C．water | D．Flood |