(2013·安徽，27)This project requires close teamwork.________ will be achieved unless we work well together.

(2013·重庆，31)Recycling is one way to protect the environment，reusing is ________.

(2013·新课标Ⅱ，14)It's an either—or situation—we can buy a new car this year or we can go on holiday but we can't do ________.

(2013·四川，2)The traffic on the main street has a longer green signal than ________ on the small ones.

(2013·天津，12)At our factory there are a few machines similar to ________ described in this magazine.

(2013·陕西，22)Although Rosemary had suffered from a serious illness for years，she lost ________ of her enthusiasm for life.

(2013·山东，21)I've lived in New York and Chicago，but don't like ________ of them very much.

(2013·江西，23)________ can be good at something for 40 years if he doesn't love it.

(2013·辽宁，29)To her joy，Della earned first the trust of her students and then ________ of her colleagues.

---Going to the Anne’s wedding to be held this weekend? ---       . I’ll be free then.

Economic growth in the world remains weak throughout 2013 and it is hoped that it will___gradually in 2014.

 Organized volunteering and work experience has long been ___vital companion to___ university degree courses.

--- Did Tony win the game? --- No. Staying up late made him at his worst _____ physical situation.

---Is Michael a man with good manners?---I don’t think so. As a matter of fact, he is ______but polite.

If you want to ______ your goals and dreams, you have to be willing to pay the price.

As the quality of the city’s air continues to give rise to ______, the residents are encouraged to set off fewer fireworks. 

 I’m afraid I’m not ________ to help with the talent show, for I am fully occupied with my own project.

The poor child stood there, and ________ what to do, turned to his father for help.   

It seems_______ to our modern world, where everything is a rush and we try to cram as much into every minute as possible, but if not busy, we feel unproductive and lazy.

--Janet, can I get you anything to drink?-- ____________.