1. They are ________ (双胞胎)brothers. They look the same.   
2. This is Carl. He is very ________ (乐于助人的).  
3. She is my friend. She is very ________ (有礼貌的).  
4. Is this dog very ________ (难过)? -Yes, it is.  
5. Sally is a ________ (漂亮) girl. She likes nice clothes.  
6. Lucy and Lily are both from ________ （英国.