优质解答
the man after tree is my math teacher
my math teacher stands behind the tree
who stands behind the tree is my math teacher
it is standing behind the tree that my math teacher
the man,my math teacher,stands behind the tree
the figure behinds the tree is my math teacher
the man after tree is my math teacher
my math teacher stands behind the tree
who stands behind the tree is my math teacher
it is standing behind the tree that my math teacher
the man,my math teacher,stands behind the tree
the figure behinds the tree is my math teacher