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Those people say (A) that it is (B) such polluted air...

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.
Those people say (A) that it is (B) such polluted air that they (C) can't breath, (D) don't they?
A. that
B. such polluted air
C. can't breath
D. don't they
- can't + V(bare-inf)
- breath (n): hơi thở
- breathe (v): thở Do đó: breath => breathe
Đáp án C.