2000 câu trắc nghiệm tổng hợp Tiếng Anh 2025 có đáp án (Phần 36)

The system, which was developed by his father, the Scottish educator Alexander Melville Bell, shows (5) ……………… the lips, tongue and throat are used in the articulation of sound.

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The system, which was developed by his father, the Scottish educator Alexander Melville Bell, shows (5) ……………… the lips, tongue and throat are used in the articulation of sound.

how

why

which

that

Giải thích

Choose A

how: như thế nào