1. Sandy wants to be a policewoman when she g            up.
2. Yao Ming is a p        basketball player.  He plays basketball very well.
3. Peter is going to be an e             .  He studies math really hard.
4. We m          to Shanghai two years ago because my father found work there.
5. I like studying computer science, because I want to be a p          
6. I want to be an actor, so I'm going to take a        lessons.
7. Stella likes playing computer games, but she doesn't like c           science.