That is Tom's book.(对Tom's提）?

That is Tom's book.(对Tom's提）? That is Tom's book.(对Tom's提问） That book is Tom's(对Tom's提问） Who's that?A It's Tom BThis is Tom 对括号提问The book(on the desk)is Tom's.（ ）（ ）is Tom's. this is (Tom's )book!对括号内提问 The book is on the Tom's desk . The book is on the Tom's desk. Which book is Tom's?这句话对吗? There's an English book over there.An English book is Tom's.哪里错了? The book on the floor is Tom's.对Tom's提问. This book is Tom`s 其中Tom`s 是形容词性物主代词还是名词性? 说明选的原因This is a book of _____.A Tom B Tom's who's that speaking选A .This is Tom.还是B.That's Tom speaking 照样子,改句子 例：This is Tom’s book This is his book 1.This is Richard‘s room2.These are my mother’s books.3.That is Jim and Betty‘s desk.4.Are these Mrs Dimmer’s students?5.My father’s bag is black. 【英语】__my book.__your book.A.This is；That's B.This's；That's C.This is;It's D.This's；That is如上 请问I think this is Tom's book.对Tom's book画线提问 __ __ __ you think this is.前面三个空怎么填 this is a book of tom 还是tom‘s请顺便解释下什么时候加’s什么时候不加