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Câu hỏi:
Choose the correct answer: Research shows that countries________ a better educated population demonstrate higher levels of productivity.
- A. to have
- B. having
- C. had
- D. have
Lời giải tham khảo:
Đáp án đúng: B
Giải thích: Trong mệnh đề quan hệ rút gọn, phân từ hiện tại “V-ing” được dùng với động từ dạng chủ động. Vì vậy, phương án B là phù hợp nhất.
Dịch nghĩa: Research shows that countries having a better educated population demonstrate higher levels of productivity. (Nghiên cứu cho thấy rằng những quốc gia có dân số được giáo dục tốt hơn có năng suất lao động cao hơn.)
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