They are on the sofa改为单数句The baseball is under the bed改为一般疑问句 That is my pencil case改为复数句

They are on the sofa.是什么意思? They are in the living room,on the sofa.中on the sofa 作什么成分? they are on the sofa 对画线的部分提问(画线的是on the sofa) Where are the keys?回答:They _____ on the sofa. They are on the sofa改为否定句 they are on the sofa改成一般疑问句 They are on the sofa.改为单数形式 They are on the sofa 的单数句是什么! Where are () quilts?They are on the sofa.A.they B.our 选哪个 为什么? they are on sofa 改成单数句子 用sofa ,they ,on ,are ,no ,arenˊt ,they ,the ,(组成对话) 连词处句 are,not,are,your,now,they,sofa,on,earphones,the,no,there（?,.） A:Are girls( )on the sofa and( )TV?B:Yes,they are. Look,they are _______on the sofa. they are sitting on the sofa _____(comfortable)___________(watch) tv They are on the sofa. (改成一般疑问句,并作否定回答) Are those CDs on the sofa? NO,they aren't. 意思 Where are my books? Theyre on the sofa仿写