Unit 12 I go to school by bus 学单词 Unit 11 What's he? 学单词 Unit 10 Is he a farmer? 学单词 Unit 9 What's the weather like? 学单词 Unit 8 I like a sunny day 学单词 Unit 7 Is this an orange? 学单词 Unit 6 How many pens are there? 学单词 Unit 5 What time is it? 学单词 Unit 4 Look at the T-shirts 学单词 Unit 3 What colour is this balloon? 学单词 Unit 2 Are you Lingling? 学单词 Unit 1 How are you? 学单词