题目内容：

    My name is David. There are four people in my family--my parents, my brother George and I. My brother and I share(共用)one room. Our room isn't very tidy, and our things are everywhere. A book is on the floor.是乔治的吗? Yes, it is.我们的棒球在哪? They are on the floor, too. My parents often help us clean the room. 我们必须感谢父母的帮助。l think we need learn to do it by ourselves.

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