这是改错题,求大神帮助。 10

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boyyandgirll
2015-11-05 · TA获得超过1.3万个赞
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有些只需要改动一个词,有些改动比较大

1 are-is
2 teachers-the teacher
3 We must protect our enviroment since the earth is the only place human beings can live in
4 nobody 前加because
5 没看到错误
6 crowded-heavy
7 In recent years, the number of people who take TOFEL has decreased
8 While the number of the verhicles is reduced, the speed of traffic can be increased
9 This invention was jointly designed by the retired professor and some of his students
10 去掉with fear
11 not to begin---do not begin
12 Please come earlier if it is convenient to you
13 没看到错误
14 its making cities beautiful---its power to make cities beautiful
15 Because of the traffic jam, it took me an hour and a half to get to the qirport
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