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Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
_______, they were used for wool.
A. Before sheep first domesticated for milk production
B. After sheep had been domesticated for milk production
C. Until sheep had been first domesticated for milk production
D. As soon as sheep had first domesticated for milk production
_______, they were used for wool.
A. Before sheep first domesticated for milk production
B. After sheep had been domesticated for milk production
C. Until sheep had been first domesticated for milk production
D. As soon as sheep had first domesticated for milk production
Kiến thức: quá khú hoàn thành
Giải thích:
Before + MDQK, QKHT loại A
After, QKHT, MDQK chọn B
Until, as soon as, không sử dụng với cấu trúc này
Tạm dịch: sau khi cừu được thuần hóa để sản xuất sữa, chúng được sử dụng để lấy len
Giải thích:
Before + MDQK, QKHT loại A
After, QKHT, MDQK chọn B
Until, as soon as, không sử dụng với cấu trúc này
Tạm dịch: sau khi cừu được thuần hóa để sản xuất sữa, chúng được sử dụng để lấy len
Đáp án B.