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1. Some people living in the north are used to _________（swim）in winter. 2. Do you agree that it is important to make yourself____________ (understand).3. My first workday in Motorola was not as __________ (busy) as I had expected.4. With all this work on hand , he shouldn’t __________（go）to the cinema last night.5. It is requested that every student _________ (give) a performance at the party.6. Nowadays quite a few young people would rather buy ___________ (cost) consumer goods.7. To Stew Leonard, the ________ (distinct) between a supermarket and an amusement park is slight.8. The 29th Olympic Games _________（hold）in Beijing , Tianjin and some other cities in China in 2008.9. After the government had taken some _________ (effect) measures, prices began to level off.10. Most newspapers contain a businesss section, a sport section, and a section for classified ________ (advertise).11. Like other form of energy, (nature) _________ gas, is now used to heat homes, cook food , and even run automobiles. 12. The material (test) _________ in the lab when the lab caught fire.13. He is so (care) __________ as not to notice his mistake.14. But for the snow we (could climb) __________ the mountain yesterday.15. If it (not rain) _________yesterday afternoon, I would have gone fishing.16. (Judge) _________ from his appearance, he must be a foreigner.17. Technology has increased (produce) ___________ of the factory.18. I don’t mind (you delay) __________ making the decision as long as it is not too late.19. Many applicants (reject) __________by the medical school simply because there were not enough places available.20.The girl said “Good morning” in a most (friend)________ way.