This is the teacher from whom we've learnt a lot.英译汉.from whom 替代哪个关系副词（关系代词）?

This is my teacher This is the teacher desk这个英语句子有错吗 this is the ____(teacher) room 所有格填空? THIS BOOK IS THE __ A.teacher B.teachers C.teacher’s 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[you your]teacher. My teacher is talking（）my parents.This is the fiMy teacher is talking（）my parents.This is the first e-mail（）my new friend. this is all the money he_____(save) since he worked as a teacher at this school This is my teacher变成一般疑问句.He is from the U.S.A.变为复数 this man is a teacher.和that child is under the tree.的复数形式 Is that this watch?改为复数形式还有：The woman is my teacher. This is the girl____mother is an English teacher of our schoolAthat Bwho Cwhom Dwhose This.is.my.mom.is.a.teacher Is this problem ___ the teacher explained last week?加THE呢 Is this problem （ ）the teacher explained yesterday?A、that B、the one This is the book( )the teacher spoke in class.用什么引导 the teacher wants this job to done/this job done/that this job is done说明选择原因 1.This is ___ reading-room.A.the teacher’s B.teacher’s C.teacher’s D.the teachers’选哪一个为什么呀