批改Yang Ling的作业，对的打“√”，错的画出错误并纠正。
1. a trousers
_______________      
2. an belt
_______________
3. Can I help your?
_______________      
4. What could you like?
_______________
5. A: What colour is it? B: Twenty yuan.
_______________
1. trousers-a pair of trousers  
2. an-a
3. your-you  
4. could-would 
5. What colour-How much成Twenty yuan-White/Red.…
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