改成复数句This is a book.That isn't an egg.Is this a book?Yes,is
改成复数句This is a book.That isn't an egg.Is this a book?Yes,is
Is this a book?" "Yes,this is."
写出下列句子的复数形式 :This is a book That is my parent Yes it is Is t
Is this a book?的复数句
改成复数形式.4.This is a book.
Is this/that a/an?.. Yes,it is./no,it isn't.2Are these/those
This is a book and that is a knife 改为复数句 Plrase put the clot
This is a book
this is a book改为复数形式
Is this a science book?改成疑问句
This isn't an English book.变复数.Are they rulers?变单数.How is he
this is a chinese book改为复数句