Mathematics is such important field and serves so many of the sciences that it

Câu hỏi :

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

A. is

B. such important 

C. it 

D. for studying

* Đáp án

B

* Hướng dẫn giải

Đáp án B

Such => so

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