牛津英语7B unit1 Grammar1 课件ppt 7B Unit 1 Grammar A Prepositions of place Cardinal numbers Prepositions of place 我们喜爱做在地板上. We love to sit on the floor. 这个房子在河的正上方. The house is over a river. Millie sits in front of me. Amy sits between Millie and Simon. Kitty sits next to Sandy. Sandy sits between Kitty and me. She sits in front of Kitty. The window is oppisite the door. The chalk is on the teacher’s desk.