apple是in the tree还是on the tree

apple是in the tree还是on the tree The apple is in the tree or on the tree? There is an apple in the tree. in the tree or on the tree 在树长是in the tree 还是 on the tree? The apple are _(on/in)the tree. The apple is the on tree and the bird is the in tree on \ in the tree on the tree 和 in the tree on the tree与in the tree in the tree 和on the tree 苹果在树上是in the tree,还是on the tree? 果子长在树上是in the tree 还是on the tree