Bộ 20 đề ôn thi vào Chuyên Anh năm 2023 cực hay có lời giải (Đề 21)

But sad, angry expressions decreased the flow of oxygen- carrying blood, and created a vicious (4) _______ of gloom and depression by effectively (5) _______ the brain of essential fuel.

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But sad, angry expressions decreased the flow of oxygen- carrying blood, and created a vicious (4) _______ of gloom and depression by effectively (5) _______ the brain of essential fuel.

circle

vortex

Giải thích

C. circle