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Câu hỏi:
You should use electric fans instead of air conditioners _________ they don't emit dangerous gases.
- A. so
- B. but
- C. because
- D. although
Lời giải tham khảo:
Đáp án đúng: C
Kiến thức: Từ vựng
Giải thích:
A. so: vì vậy
B. but: nhưng
C. because: bởi vì
D. although: mặc dù
You should use electric fans instead of air conditioners because they don't emit dangerous gases.
(Bạn nên sử dụng quạt điện thay vì máy điều hòa nhiệt độ vì chúng không thải ra khí nguy hiểm.)
Chọn C
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