All of the book were very interesting. I am surprised you didn’t like it9/63Mark the letter A, B, C, or D on your answer sheet to show the underlinedpart that needs correction in each of the following questions. All of the book were very interesting. I am surprised you didn’t like ittheweresurpriseddidn’t likeGiải thíchĐáp án là B. were => was, all off the book: cả cuốn sách ( ý nói nội dung )