01 Lesson 1 He is wearing a blue T-shirt.
02 Lesson 2 How can we do it？
03 Lesson 3 It's cold in Harbin.
04 Lesson 4 Sally is going to Beijing.
05 Revision 1
06 Lesson 5 Can I help you？
07 Lesson 6 Beijing is a great city.
08 Lesson 7 We had a good time!
09 Lesson 8 It's time to say goodbye.
10 Revision 2
11 词汇表 I
