there that girl behind the tree?

there that girl behind the tree? The Girl Behind The Tree Is My Sister .中Behind The Tree 是定语, The girl behind the tree is my classmate.对behind the tree提问 1-------What is behind that tree -------There mu There's a big tree behind the house behind the tree The girl behind the tree is my sister对划线部分提问 划线部分是behind the WHO IS ( )GIRL BEHIND ( )TREE?填冠词 （The girl behind the tree） is lucy　对括号部分提问 The girl behind the tree is my best friend (对划线部分提问)(划线部分:be look at the ― [love] girl behind the tree.she's my sister. there are some girl under the tree一般疑问句