Bộ 20 đề thi Tiếng Anh vào 10 có đáp án cực hay (Đề 14)

Two-way (25)_______ depends on having a coding system that is understood by both sender and

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Two-way (25)_______ depends on having a coding system that is understood by both sender 

exchange

interchange

communication

correspondence

Giải thích

Đáp án D