Unit 13
1. Do you know that a worker ant has two _________(胃)?
2. Young people always have more e_________(精力) than the old.
3. Doctors advise us not to eat fruit which is not r_________(熟).
4. Don’t give me meat any more. I am on a d_________(节食).
5. If you are _________(困倦), you had better go to bed.
6. The car doesn’t f_________(运转) well; I think you’d better have it repaired.
7. Organic vegetables are those that are grown without c_____高考资源网版权所有 ©2005-2009
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