house快乐aboutoftenwhatmanyhaveplay
摘要：You live in a house,but what about a tree house?In the USA,many homes have yards (院子 )with trees.Families sometimes build a small house in a big tree.These houses aren't for living Kids play in them.There is often a ladder( 梯子).Kids can climb up it and go into the tree house.It can be very simple or fancy (精致的)。
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