20 câu Trắc nghiệm Tiếng Anh 12 Cánh diều Chuyên đề 14: Câu bị động (Passive voice)

The disease of cattle, Texas Fever,__________in the Western Hemisphere during the Spanish colonisation of Mexico, but by 1980, it ________completely from the US.

20/20

The disease of cattle, Texas Fever,__________in the Western Hemisphere during the Spanish colonisation of Mexico, but by 1980, it ________completely from the US.

had introduced - was eradicated

must be introduced - could be eradicated

has been introduced - had eradicated

was introduced - had been eradicated

Giải thích

Chọn đáp án D