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Unit 1 School Is Interesting Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 2 We Are Friends Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 3 Sports Are Good for You Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 4 How Can I Get There? Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 5 We Have Only One Earth Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 6 Not Just Tasty Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 7 When Disaster Strikes Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 8 Enjoy the Festivals Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 9 I Love My Family Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 10 Time Really Matters Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 11 I've Got a Headache Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 12 We're Ready to Help Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 13 Travel Broadens the Mind Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 14 Let's Go Shopping Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 15 Inventions Make Life Better Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use Unit 16 There Is No Easy Path to Success Part One Vocabulary List Part Two Listening and Speaking Part Three Reading Part Four Writing Part Five Grammar in Use ¡­¡­ Keys