Unit 4 Do you often play football? Par 1 Part 2 Let's sing 歌曲 Ask and answer问答 Words and expressions词语 Learn the text课文 Class exercises练习 Assign homework作业Unit 4 Do you often play football? Par 1 Part 2 Let’s sing歌曲 Ask and answer问答 Words and expressions词语 Learn the text课文 Assign homework作业 Class exercises练习