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Mike: What are you going to be, John?

John: I like math, so I'm going to be an accountant.

Mike: What about you, Zhang Peng?

Zhang Peng: I like helping people, I can work for the police. So I'm going to be a policeman.

                  What about you, Sarah?

Sarah: I like singing, so I'm going to be a singer. And you, Wu Yifan?

Wu Yifan: I'm here. I like cleaning the streets, so I'm going to be a cleaner.

( ) 1. John is going to be an accountant.

( ) 2. Zhang Peng likes math.

( ) 3. Sarah wants to be a singer.

( ) 4. Wu Yifan doesn't like cleaning the streets.

( ) 5. Mike is going to be a policeman.