MODULE 20- Đại từ nhân xưng, Đại từ sở hữu và Đại từ phản thân

_______ before cars and trains were invented? A. Which was means of transport used B. Which means of transport was used C. Which did means of transport used D. Which did means of transport

17/50

_______ before cars and trains were invented?

Which was means of transport used

Which means of transport was used

Which did means of transport used

Which did means of transport use

Giải thích

Chọn đáp án B