1.Aretheyyour_____?2.____theyyourbrothes?3.______isthebag?-------it`sonthetable.
4.Hisbaseballis_______thefloor.5.Thereisablackboard________thewall.6.HisEnglishbook________inthebookcase.7.Pleasetakethebook__________theclassroom.8.Tom,please_________mybackpackhere.------OK.9.Ihaveabaseball.It`s_______thebookcase_______thedesk.