--- Perhaps we could invite some of our junior school friends to our party.
--- ______
A．Yes, why not? B．Sure, no problem.
C．Oh, never mind. D．Well, go ahead.
科目：高中英语 来源：高二英语(下) 2001—2002学年度第二学期形成性练习 题型：054
完形填空
Clean air 1 important 2 health. If there are impurities (杂质) in the 3 , 4 may 5 by our bodies and make us 6 . We need clean air, but 7 , air pollution 8 generally 9 , especially 10 cities.
Now, 11 people are 12 the importance 13 clean air. Schools are now teaching about the pollution problem .Industries are 14 to help clean up their smoke. Scientists are 15 to develop 16 engines for cars. Some day we 17 drive cars that are run by electricity. 18 the day will come 19 people will be able to 20 clean air in cities.
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科目：高中英语 来源： 题型：054
完形填空
Clean air 1 important 2 health. If there are impurities (杂质) in the 3 , 4 may 5 by our bodies and make us 6 . We need clean air, but 7 , air pollution 8 generally 9 , especially 10 cities.
Now, 11 people are 12 the importance 13 clean air. Schools are now teaching about the pollution problem .Industries are 14 to help clean up their smoke. Scientists are 15 to develop 16 engines for cars. Some day we 17 drive cars that are run by electricity. 18 the day will come 19 people will be able to 20 clean air in cities.
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