Unit 4 Where's my schoolbag?单元练习 一、单项选择（共 15 小题；共 15 分） 1. There is a window the wall.A. onB. inC. underD. at 2. The English book is the desk the room.A. on; underB. under; onC. under; inD. on; in 3. A young man glasses came the office. He had an old bag his a...
