7．Do not cutdown the trees that gives you shade．——青夏教育精英家教网——

7．Do not cutdown the trees that gives you shade．

6．It's obvious that he is not equalto the job．

5．In order to keepin shape，I always go running in the morning．

4．There are three underground lines in Chengdu，and several lines areunder construction．

3．The treatment is offered as an alternativeto surgery．

2．I didn't enjoy the book because I couldn't identifywith any of the main characters．

1．She is taking a diplomain management studies．

20．She is optimisticabouther chances of winning a gold medal．

19．David and I are colleagues．We work in the same company．

18．Most scientists are sceptical about the exsitence of sea monsters in cold lakes．

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