描述
欢迎使用
目录
Unit 1 Public signs （免费使用）
Unit 2 Ben's birthday
Unit 3 It was there!
Unit 4 Review and check
Test 1 Mid-term exam
Unit 5 On the farm
Unit 6 Holidays
Unit 7 At Christmas
Unit 8 Review and check
Test 2 Final exam
描述
欢迎使用
目录
Unit 1 Public signs （免费使用）
Unit 2 Ben's birthday
Unit 3 It was there!
Unit 4 Review and check
Test 1 Mid-term exam
Unit 5 On the farm
Unit 6 Holidays
Unit 7 At Christmas
Unit 8 Review and check
Test 2 Final exam