Librarian: This is the book you are looking for. Student: ______________Đoạn văn20/55Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best completes each of the following exchanges. Librarian: This is the book you are looking for. Student: ______________ That’s a great book.Yes, sure.Thank you very much.I couldn’t agree more.Giải thíchChọn C