15000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án (Phần 1) (Part 5)

Mathematics is such important field and serves so many of the sciences that it is a prerequisite for studying every scientific discipline. A. is B. such important C. it D. for studying

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Mathematics is such important field and serves so many of the sciences that it is a prerequisite for studying every scientific discipline.

is

such important

it

for studying

Giải thích

Đáp án B

Such => so