Bộ 20 đề luyện thi Chuyên Anh năm 2023 có đáp án (Đề 99)

are forms of carbon has been known since the late 18th century. A. Diamonds   B. Diamonds, which   C. Because diamonds         D. That diamonds

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             are forms of carbon has been known since the late 18th century.

Diamonds

Diamonds, which

Because diamonds

That diamonds

Giải thích

Đáp án D