知识技能
Target language
1. Words and phrases：
Great, sound, play.
2. Key sentences ：
① —Do you have a baseball? —Yes, I do. No, I don't.
② —Does she/he have a tennis ball? —Yes, she/he does. No, she/he doesn't.
③ —Do they have a soccer ball? —Yes, they do./ No, they don't.
④. Let’s play….
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