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Iceberg2013
on是长上去的,in是放在上面的教你一个口诀:长on 不长in
小龙女kelly
the bird is singing in the tree.the apple is in the tree.
粉嘟嘟的Pinky
因为飞过去是从头顶上一块到另一块所以不垂直在头上方
s290443260
The butterfly is flying to the sky.The apple on the table yesterday .
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