'Mount huang cuba' presentation slideshows

Unit 1 The Changing World Topic 1 Our country has developed rapidly. Section A

Unit 1 The Changing World Topic 1 Our country has developed rapidly. Section A. ????????? ???. Welcome back to school How was your summer holiday?. A: Where have you been?. B: I have been to. A: Where have you been?. B: I have been to the park. A: Where have you been?.

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