No .40 What is the most appropriate word to fill in the blanks (A) and (B)? (빈칸 (A), (B)에 들어갈 말로 가장 적절한 것은?) (A) (B) ① overwhelm ....... obtain ② overwhelm ....... exchange ③ enhance ....... apply ④ enhance ....... discover ⑤ fulfill ....... access