is that your a book?哪里错了This is a pen and that's a ruler?Is this his pencil?哪里错了!求

Is that your book?改为同义句 是Is that your English book?还是That is your English book? 7,“ what is the difference?”“ this furniture is different from______ ”.A,that book.B,your.C,that one.D,that. way,good,is,that,a(.) out,book,your,take,English(?) big,banana,a,there,a(.) _______?Yes,it is.A.Is that your book.B.Are these your books.C.Is there a book.（选择—） where is your a book is? 改成复数句This is a book.That isn't an egg.Is this a book?Yes,is is.Your picture is very good. maybe的用法下面哪一句对?为什么?A.That may be your book.B.That may be is your book. 复数形式This is my book.Is that his uncle?Is she your friend?I am a woman teacher. Is there a maths book in your is that your book?( ) a.that isn't b.is that your book?( )a.that isn'tb.yes,it isc.it isn'td.no,it is( ).is this your ruler?a.excuse meb.sorryc.i'm sorryd.helloa:your watch is very nice.b:( ).a.no.it isn'tb.yesc.thank youd.sorryis that ( )english dic book,that,is,the,found,case,lost,your That book is yours为什么用yours不用your, 把Is that your math book 改为陈述句怎么改 Is that a book改为复数形式 Is that a book 的同意句. is that a book?作否定回答 Is that a old book改错