目录
Unit 1 Greetings(免费使用)
Unit 2 Introductions
Unit 3 Telephone Calls
Unit 4 Time
Unit 5 Asking The Way
Unit 6 Weather
Unit 7 In A Restaurant
Unit 8 Shopping
Unit 9 In Class
Unit 10 Daily Activities
Unit 11 People
Unit 12 One Thing
Unit 13 Many Things
Unit 14 Have/Has & Haven't/Hasn't
Unit 15 Existence
Unit 16 Likes And Dislikes
Unit 17 Willing And Unwilling
Unit 18 Advice And Opinions
Unit 19 Ability
Unit 20 Describing Things
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