EXERCISE 3I. CHỌN TỪ/ CỤM TỪ THÍCH HỢP (ỨNG VỚI A, B, C, D) ĐỂ HỊAN TH...

35. Higher education is very importance to national economies, and it is also a source of A Btrained and educated personnel for the whole country. C DMark the letter A, B, C or D to indicate the sentences which is closest in meaning to the given one.