目录
Lesson 1 Do you have a ruler?(免费使用)
Lesson 2 A computer has a keyboard.
Lesson 3 What are you doing?
Lesson 4 What is she doing?
Lesson 5 Are you washing clothes?
Lesson 6 Revision.
Lesson 7 I like collecting stamps.
Lesson 8 Do you like music?
Lesson 9 What would you like?
Lesson 10 Could I have some tomatoes?
Lesson 11 How many buns do you want?
Lesson 12 Revision.
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