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

Câu hỏi :

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

A. economies

B. educated

C. the whole country

D. importance

* Đáp án

D

* Hướng dẫn giải

Đáp án D

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