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Câu hỏi:
By the end of the 21th century, scientists _________ the cure for the common cold.
- A. will have discovered
- B. had discovered
- C. will discover
- D. are discovering
Lời giải tham khảo:
Đáp án đúng: A
Đáp án A
Thì tương lai hoàn thành dùng để diễn tả một hành động hay sự việc hoàn thành trước một thời điểm trong tương lai.
Dấu hiệu nhận biết: by + mốc thời gian trong tương lai
Dịch nghĩa: Vào cuối thế kỷ 21, các nhà khoa học sẽ tìm ra phương pháp chữa bệnh cảm thông thường.
Câu hỏi này thuộc đề thi trắc nghiệm dưới đây, bấm vào Bắt đầu thi để làm toàn bài
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