选择句子补全对话第一句：Yes!第二句：The keys?They're on the table.第三句：Ni,the

选择句子补全对话第一句：Yes!第二句：The keys?They're on the table.第三句：Ni,they aren't.第四句：How about my books?第五句：It's under the sofaA：Hey,Susan!B:__1___A:Is my computer game on the tableB:No,it isn't.It's on the bookcaseA:Oh,OK.___2__Are they on the bookcase,tooB:__3___They're on the chair.A:Oh.So,where is my pencil caes?B:___4__A:And where’s my backpack?B:It's under the table.And yuor baseball is under the chair.A:Oh,OK,And where are Mom's keys?B:___5__