Look _at____ the picture. The boy is walking __near___ the river. There is a house __along___ the river. There are some trees ___behinde___ the house. __In___ the trees are many apples.
Look __at___ the picture. The boy is walking _over__ the river. There is a house _by__ the river. There are some trees _in front of__ the house. __on_ the trees are many apples.
