人教版七年级英语上册第五单元第一课时Unit 5 Do you have a soccer ball ?课件（该课件内含音频文件）

do的用法：作助动词，无词义，帮助构成否定句或疑问句；在简略答语中，用do来代替原句中的实义动词；有时用于肯定句，目的是为了加强语气。
Cindy: Hey, Helen, let’s go! We’re late. Helen: OK. 
Cindy: Do you have the baseball? Helen: Yes, I do. It’s in my bag.
Cindy: And where’s our baseball bat? Helen: Bill has it.
Cindy: Oh, yeah. And do you have your jacket? Helen: Oh, no, I don’t. It’s on the chair. Let me get it.
Cindy: And your hat, too!  Helen: OK, I have my jacket and hat. Let’s go!