练习(对划线部分提问)1. They are playing basketball. What are they doing? 2. She is dancing. What is she doing? 3. She is swimming. What is she doing? 4. He is lying in the grass. What is he doing?
牛津7A Unit 8 Grammar(19)
2020-12-22 08:13
牛津7A Unit 8 Grammar(19).doc
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