he__a book about china last year ,but i don't know if he___ita.wrote,has finishedb.was writing ,will finishc.was writing ,has finishd.wrote ,will finish

he__a book about china last year ,but i don't know if he___ita.wrote,has finishedb.was writing ,will finishc.was writing ,has finishd.wrote ,will finish He__a hamburger yesterday what about this book? book about love (english) a book about animals a book about animals This book is about me. a book about history是什么意思 a,how,book,about,story(?) a book for history和a book about history区别 是book of china还是book about china 是 book of sport 还是 book about sport What about that English book?翻译 about that What book English 排序 what are you reading about book? This book is talking about the w( ) a book about how to make a I have about three h___English book