改错题。

1. What are these? These are apples.                                                        

2. Mum, they are my friends, Jim and Mary.                                             

3. — Your picture is very good. — No, it's not good.                                 

4. They are woman teachers.                                                                   

5. Are they your uncle?                                                                            

《时代广场的蟋蟀》中柴斯特会什么乐器？（）

A.钢琴

B.小提琴

C.二胡