Unit 1 How often do you exercise?	单词数：47
Unit 2 What is the matter?	单词数：63
Unit 3 What are you doing for vacation?	单词数：36
Unit 4 How do you get to school?	单词数：41
Unit 5 Can you come to my party?	单词数：18
Unit 6 I am more outgoing than my sister.	单词数：30
Review of Units 1-6	单词数：14
Unit 7 How do you make a banana milk shake?	单词数：40
Unit 8 How was your school trip?	单词数：33
Unit 9 When was he born?	单词数：48
Unit 10 I am going to be a basketball player.	单词数：34
Unit 11 Could you please clean your room?	单词数：23
Unit 12 What is the best radio station?	单词数：44
Review of Units 7-12	单词数：22