this is ——readoong-room.A.the teacher’s B.teacher’s C.teacher’s D.the teachers’the teacher’s 和 the teachers’ 的区别是什么

this is ——readoong-room.A.the teacher’s B.teacher’s C.teacher’s D.the teachers’the teacher’s 和 the teachers’ 的区别是什么 This r（ ）p（ ）is beautiful. ——this boy?He is Ted Hi,is this——phone number there is ____（a/an）“r” in this word. the food in this r---- is very good 填什么 where u r ,he'll be near.this is This is the (r ) place to go .缺词填空 Ask him—— A.whose cup this is B.whose cup is this C.this is whose cupD.whose is this cup this is tom he is me good ———. this is my room 同义转换this is a room—— —— —— This is my room.同意句This is a room—— —— ——。 找错并改错：——Is this a ruler?——Yes,this is. Is this your ball? 同义句is this————?---- 为空格 what is this?—this is a pen.哪里错了 This is a 3—d printer.and this is an artifical ear. u guys r in china , how can u guys watch this show? This is so weird. Hello,This is()schoolbag.Look,this is my name.——Yeah,it is.选项：A.my B.your C.hisHello,This is( )schoolbag.Look,this is my name.——Yeah,it is.