---Is this your English book?

Is this your an English book?该错 Is this your English book?单复数互换 Is this your book? this is ( )english book that is ( )english is ,an,book,english,this My book this English is This is ( ) book.your|yours 改错：is this book your? Is this your m( )book 英语改错,急,1.Your English is better than me.2.This book is best this is my English book对my English book提问 Is this English book _____（your）?I ofen _____ (watch) insect