_________ in the Middle East, oil became known as black gold because of the large profit it brought.
A. That when discovered
B. Discovered
C. Discovering
D. Which was discovered
Chọn đáp án B
Điều kiện để rút gọn mệnh đề trạng ngữ: Chủ ngữ 2 vế giống nhau
Cách rút gọn: - Dùng V-ing nếu mệnh đề trạng ngữ ở dạng chủ động; Dùng Vpp nếu mệnh đề trạng ngữ ở dạng bị động
- Bỏ liên từ và động từ “to be” nếu có.
Câu ban đầu chưa rút gọn: When oil was discovered in the Middle East, oil/ it became known as black gold because of the large profit it brought, (mệnh đề trạng ngữ ở dạng bị động) => Discovered in the Middle East, oil became known as black gold because of the large profit it brought.
Dịch: Được phát hiện ra ở vùng Trung Đông, dầu mỏ đã được ví như “kho vàng đen” bởi vì nó mang lại lợi nhuận lớn.
Smoking is extremely detrimental to health, _____ many people continue to smoke anyway.
Many years ago, black children were _____________ to discrimination in many schools.
The authorities recommend that the meeting _____________ next Monday.
Her husband is very kind. He always cares _____ her and never puts all of the housework her.
As a small boy, he used to _______ alone in the house for an hour or two.
The archaeological excavation _____ to the discovery of the ancient city lasted several years.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
We decided to spend ______ summer in ______ seaside town.