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Unit 7 How much are these socks? Section A 2a—3c 19张PPT，4个音频文件
Leading in
T: What’s this?
S: It’s a jacket.
T: What color is it?
S: It’s black.
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压缩包内容：
2a.mp3
2b.mp3
2c.mp3
2e.mp3
Unit 7 Section A 2a-3c.pptm
