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Câu hỏi:

17/07/2024 1,652

In the fourteenth century, ______ that glass coated with silver nitrate would turn yellow when fired in an oven.

A. the discovery

B. it was discovered

Đáp án chính xác

C. with the discovery      

D. if it was discovered

Trả lời:

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Đáp án B

It was discovered that: người ta đã khám phá ra rằng…

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Câu 8:

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Câu 10:

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Câu 15:

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Điền vào số (26)

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