Higher education is very importance to national economies , and it is also a source of trained and educated

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Choose the underlined part among A, B, C or D that needs correcting

Higher education is very importance(A) to national economies(B) , and it is also a source of trained and educated (C) personnel for the whole country(D)..

importance

economie

educated

the whole country

Giải thích

Dịch: nền giáo dục bậc cao rất quan trọng với kinh tế quốc dân -> sai về từ loại “importance”(noun)-> “important” (adj).