9、词单复数来定)Unit4.1.Whereismybackpack?我的背包在哪儿?Wherearethebooks?那些书在哪儿?2.It’s/They’reinthedrawer/underthebed/onthebookcase.它/它们在抽屉里/床底下/书柜上。 (注意主语和be动词照应)3.Isit/Isthebook/Aretheyonthebed/inthebackpack/underthedesk?它/这本书/它们在床上/背包里/桌子下吗?4.Canyoubringsomethingstoschool?你能带些东西去学校吗? som