This book isn’t as interesting as that one. → That book is more ...................................................................................................
Giải thích
Đáp án đúng: That book is more interesting than this one.
Cấu trúc: So sánh kém "not as + adj + as" → So sánh hơn "more + adj + than".
Dịch nghĩa: Cuốn sách đó thú vị hơn cuốn này.