That question is tough to respond (26) _______. Because it is one of their topicsĐoạn văn26/45That question is tough to respond (26) _______. Because it is one of their topicsfromtoinatGiải thíchĐáp án đúng: B respond to: trả lời Dịch: Câu hỏi đó thật khó để trả lời.