Unit 3 Numbers in English Unit 4 Whats this in English? Unit 5 How old is he? Unit 6 Is this your pencil-box Unit 7 The new students Unit 8 Mainly revision Unit 9 Come and meet the family Unit 10 Where is it? Unit 11 Whats in the teachers room? Unit 12 How many kites are there? Unit 13 What colour is it? Unit 14 Whose clothes are these? Unit 15 Whats the time,please? Unit 16 Mainly revision 部分练习参考答案 · · · · · · (收起)