根具句子的意思原则合适的词,每词只用一次.词语：（under near on behind in）
1.I can not sit( )jack.He is too tall.
2.Where is my pen?Oh,it is( )the book.
3.My home is（ ）the bus stop.
4.There are some oranges（ ）the tree.
5.What is this（ ）English.