精品文档接力版四年级下册单词&句子Lesson1 How old is he?单词: grandpa, grandma, uncle, auntC1: -Whos that man? -Hes my uncle. - How old is he? - He is 40.C2: - Whos she? - Shes my aunt. - How old is she? - Shes 30.C3: - Whats this? - Its a tree. - How old is it? - Its twenty.Lesson 2 How much is the football?单词:much, football, want, pearC1: - How much is the football? - Sixty yuan. - How much are the pears? - Ten yuan.