Mark the letter A, B, C, or D on your answer sheet 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.
Giải chi tiết:
Khi hai mệnh đề trong cùng 1 câu có cùng chủ ngữ (oil), ta có thể rút
gọn 1 mệnh đề mang nghĩa chủ động về dạng V-ing hoặc rút gọn 1
mệnh đề mang nghĩa bị động về dạng Ved/P2.
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.
Chọn A
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