Where are mom's keys?(这句话中的为什么要用are,不是单数吗?）

And where are Mom's keys? Where are mom's keys?(这句话中的为什么要用are,不是单数吗?） Where are () (they )keys Now where are my keys? Mom,where are my crayons? Bill:Where are my photos,Mom?Mother:1.____ 2.___on the sofa.Bill:Were are my pencil box 3.___baseball?Mother:4.___your schoolbag.Bill:OK.and 5.___ 6.___my computer game?Mother:It's under the bed.Bill:Great!Where are my keys?Mother:Look!they are 7.___ are keys the where 连词成句如题 Where are his keys用什么回答 补全对话,方框中有两个选项是多余的A.Good morning.B.Yes,it is.C.where are my keys?D.Is it on the sofa?E.No,they aren't.F.are the keys on the sofa?G.Bye-bye.A:Mom,where is my backpack?B:1.________.A:No,it's not on the sofa.B:Is it on you — the keys?___ on the bed.A、Where is ,It's B、Where are ,They're — the keys?___ on the bed.A、Where is ,It's B、Where are ,They're 是where is a set of keys 还是where are 回答是It‘s 还是They're是Is this a set of keys 还是 Are they a set of keys where.my.keys?A.are.b.is.where.my.keys?A.are.b.is.c.am 单据改错,一处 1.Where are my shoes,mom?It's right under your desk. that's where you stay when your mom and dad are busy?翻译, Where are my keys?Where l left it?改错题 MOM,WHERE ARE MY CRAYONS音标是什么 A：Oh,no!My book 1 in my backpack.Where is 2 B:3 book is on the table.A:OK.My keys.Yes,my keys!Where are 4 keys?B:Your keys are in your backpack,too.A:Yes,yes...Where are my pencils?B:5 under the bed.A：And 6 my pencil case?B:It's on the chair.Oh!N