They are no s(座位) for me on the bus,so I have to stand用单数或负数

They are no s(座位) for me on the bus,so I have to stand用单数或负数 Are they your dogs?---------1No,they are’s 2Yes,they aren‘s3No,they are 英文题- what ()these keys?Are they yours?- no,they aren`t.They are Anna`s. They are s-------- in Shanghai No.1 Middle School now. NO,they are Mike’s books?问句是什么 补全对话：A：Are they __?B ：No.they are Tom's. they are in NO.3 Middle School and they are all s （填开头是s的单词） --Are they ( ) buuks?No,they are not .--They are ( ) buuks. Are they watching tv? NO,( ) ( ) Are they in china?NO,they（） ____are they?Are they yours?No.They are theirs. 英语人称her的后面为什么加s对话：a：Are they your pen?b：No they aren't.they are hers .为什么加s? Let's talkOpen the door,please.OK.Where are the keys?Are they on the table?NO,they aren't.Are they near the pohone?NO,they aren't.Look!They're in the door. Mr and Mrs Read have no d( ).They have only twoMr and Mrs Read have no d( ).They have only two s( ).They are s( ).They are in the same s( ) Are the ________parents from Canada?--No,they are from America.A.twin's B.twins‘s C.twins' Are these socks yours?No,They aren't.thanks.里面的 yours thanks 后面的 S No,they can't.Snakes are deaf.的问句 It's copying the flute.的问句 急.C No,they are not.D Yes ,they are