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Câu hỏi:
By 2015, it will be widely accepted that schools and pre-schools have _______ extremely important role to play in______ future of our world.
- A. an / a
- B. an / the
- C. the / the
- D. Ø / Ø
Lời giải tham khảo:
Đáp án đúng: B
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