-----where has his brother been ?
------No one knows. He has returned home safely but his missing made the police _____ .
| A．to puzzle | B．puzzling | C．puzzled | D．be puzzled |
22．After running for a mile yesterday，I was almost，not feeling bad，though．
| A．out of shape | B．out of breath |
| C．out of control | D．out of order |
第一部分语言知识运用
第一节单项填空（共15小题，每小题1分，满分15分）
21．We work together to achieve our common purpose： world that is safer cleaner and healthier than one we found．
| A．the；the | B．a；不填 | C．a；the | D．the；不填 |
35．Such a great event __________ that it will attract governments and people from across the world to Shanghai．
| A．is World Expo 2010 | B．World Expo 2010 is |
| C．has World Expo 2010 been | D．World Expo 2010 has been |
34．________spending our vacation in the city，why not try hiking in the courtry?
| A．Instead of | B．In favour of | C．In case of | D．In terms of |
33．— We should recycle everything we can．
— Absolutely．These may seem little things，but they’re not__________it comes to saving the
environment．
| A．since | B．when | C．while | D．As |