Bộ 20 đề luyện thi Chuyên Anh năm 2023 có đáp án (Đề 91)

Mark the letter A, B,C, or D on your answer sheet that best completes each sentence. In its pure state antimony has no important uses, but with other substances, it is extremely useful metal

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Mark the letter A, B,C, or D on your answer sheet that best completes each sentence.

In its pure state antimony has no important uses, but _____ with other substances, it is extremely useful metal.

when combined physically or chemically

combined when physically or chemically

the physical and chemical combination

it is combined physically and chemically

Giải thích

Đáp án: A