单元：
- Unit 1 Where did you go on vacation?
- Unit 2 How often do you exercise?
- Unit 3 Im more outgoing than my sister.
- Unit 4 Whats the best movie theater?
- Unit 5 Do you want to watch a game show?
- Unit 6 I'm going to study computer science
- Unit 7 Will people have robots?
- Unit 8 How do you make a banana milk shake?
- Unit 9 Can you come to my party?
- Unit 10 If you go to the party， you will have a gr
