These are your book's ,aren't they和Those aren't your pens,are they?怎么区别他们的回答我是看到这个句式 You are not going out tonight,are they?(今天晚上你不出去,是吗)它的回答是NO,i am not (是,我不出去) Yes,i am (

These are their -(book) Whoes _____(book) are these Are these your Are these your pencils? Are these books ( )(your)? are these your parents are these your cousin Where are your book? These books are 是yours还是your 是Mary ’ book还是Mary ’s These books are 是yours还是your 是Mary ’ book还是Mary ’ Are these your trousers?Yes,these are, _______?Yes,it is.A.Is that your book.B.Are these your books.C.Is there a book.（选择—） These are my book同义句 her these are book 连词成句 These pens are your.henna Are these your _____(letter) John,are these books----(your) Are these your T-shirt