【题目】Read and number.给下列句子排排序，使它成为一个完整的对话。
（_____）Do you have a library?
（_____）It’s so big. How many students are there in your class?
（ 1 ）Welcome to my school. This is my classroom.
（_____）Yes, we do.
（_____）Your school is very cool.
（_____）Forty-five.
（ 7 ）Thank you.
【答案】4 2 5 6 3
【解析】
略
