五年级上册英语课件- unit 4 position北师大版（三起） (共18张ppt).pptx
课件18张PPT。PositionLet's learn.onThe book is the desk.onLet's learn.underThe book is the desk.underLet's learn.next to The book is the deak.next toLet's learn.in front ofThe book is the desk.in front ofA:Where is the boat? B: It's on the river.L...