đặt câu hỏi cho các câu trả lời sau đây: c1:they go to the beach in the summer holidays c2:we are staying in a hotel c3:mai doesn't stay in the water very long beacuse. It's very cold c4:minh plays with sand on the beach c5:hoang is going to be the president of the stamp collector 's club c6:collecting stamp,not acting is lan and chi 's favorite pastimes c7:nam likes collecting coins very much c8:lan plays the violin very well c9:you should come to see huong today c10:chi often goes to an art club to learn to play the piano

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