in large quantities in the Middle East, oil became known as black gold because of the

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Mark the letter A, B, C or D to indicate the correct answer to each of the following questions

______ in large quantities in the Middle East, oil became known as black gold because of the large profit it brought

Discovered

Discovering

Which was discovered

That when discovered

Giải thích

Đáp án A

Kiến thức : Rút gọn mệnh đề trạng ngữ

Giải thích :

Dùng cụm Phân từ hai (Ved/ V3) để rút gọn cho các mệnh đề bị động.

Câu đầy đủ: Oil was discovered in large quantities in the Middle East, oil became known as black gold because of the large profit it brought.

Câu rút gọn: Discovered in large quantities in the Middle East, oil became known as black gold because of the large profit it brought.

Tạm dịch: Được phát hiện với số lượng lớn ở Trung Đông, dầu được gọi là vàng đen vì lợi nhuận lớn mà nó mang lại