用适当的连词填空 1. (2017 北京, 25)_______ birds use their feathers for flight, some of their feathers are for other purposes. 2. (2017 北京, 28)If you don ’ t understand something, you may research, study, and talk to other people _______ you figure it out. 3. (2016 北京, 27)My grandfather still plays tennis now and then, _________ he ’ s in his nineties. 4. ( 2016 天津, 7 )__ _____ the average age of the population increases, there are more and more people to care for. 5. ( 2016 浙江, 5 )__ _____ online shopping has changed our life, not all of its effects have been positive. 6. (2016 江苏, 26)_______ some people are motivated by a need for success, others are motivated by a fear of failure. 7. (2015· 江苏, 26)It is so cold that you can't go outside fully covered in thick clothes. 8. (2015· 湖南, 33) the job takes a significant amount of time, most students agree that the experience is worth it. 9. (2015· 北京, 28)You won't find paper cutting difficult long as you keep practicing it. 10. (2015· 北京, 32) the damage is done, it will take many years for the farmland to recover. 11. (2015· 浙江, 9)Just a single word can change the meaning of a sentence, a single sentence can change the meaning of a paragraph. 12. (2015· 重庆, 4)If you miss this chance, it may be years you get another one. 13. (2015· 陕西, 20)I believe you will have a wonderful time here you get to know everyone else. 14. (2015· 四川, 6)There is only one more day to go your favorite music group play live. 15. (2015· 天津, 12)We need to get to the root of the problem we can solve it. 16. (2015· 安徽, 23) scientists have learned a lot about the universe, there is much we still don't know. 17. (2015· 安徽, 34) he once felt like giving up, he now has the determination to push further and keep on going. 18. (2015· 福建, 31) the students came from different countries, they got along quite well in the summer camp. 19. (2014· 安徽, 25)The meaning of the word“nice”changed a few times it finally came to include the sense“pleasant”. 20. (2014· 江西, 35)It was the middle of the night my father woke me up and told me to watch the football game. 21. (2014· 陕西, 24)The young couple , who returned my lost wallet , left I could ask for their names. 22. (2014· 重庆, 14)Half an hour later , Lucy still couldn't get a taxi the bus had dropped her. 23. (2014· 北京, 29)Even the forest park is far away , a lot of tourists visit it every year. 24. (2014· 江苏, 21)Lessons can be learned to face the future , history cannot be changed. 25. (2014· 山东, 2)I don't really like the author , I have to admit his books are very exciting. 26. (2014· 湖南, 26)You will never gain success you are fully devoted to your work. 27. (2014· 天津, 4) you start eating in a healthier way , weight control will become much easier. 28 . (2013· 湖南, 23)You must learn to consult your feelings and your reason you reach any decision. 29. (2013· 山东, 26)Mark needs to learn Chinese his company is opening a branch in Beijing. 30. (2013· 江苏, 28)In the global economy , a new drug for cancer , it is discovered , will create many economic possibilities around the world.