Is this a teacher?的肯定回答是什么?可以是Yesi,it is 还是Yes,he/she is

一般疑问句和肯否定回答:This is a ruler Used you to be a teacher?的肯否定回答、. This.is.my.mom.is.a.teacher Is this a teacher?是神马意思 改错：This is my teacher.A.This B.is C.teacher 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 my teacher 用适当的词填空 ：this is tom____mother is a teacher. this man is a teacher.和that child is under the tree.的复数形式 mr.brown is a teacher.this summer vacation is coing This is a teacher,s desk中有错的地方吗? 填入适当的物主代词 1.this book is___(bob)2.___english teacher is a man 名词 1.This is ___ reading-room.A.the teacher’s B.teacher’s C.teacher’s D.the teachers’ 2我要这些的答案 Is this a teacher?的肯定回答是什么?可以是Yesi,it is 还是Yes,he/she is is this a teacher,s desk?怎么作否定回答? Is this a teacher's desk?是神马意思? This is Mr lee.He is a teacher.This is Mr Brown. 1.What's this for English?2.This is a Engilsh teacher.每句的那个地方错了?