Các dạng bài tập rút gọn mệnh đề quan hệ

Benzene,_____ by Faraday,became the starting point in the manufacture of many dyes,perfumes and explosives.

3/50

Benzene,_____ by Faraday,became the starting point in the manufacture of many dyes,perfumes and explosives.

discovered

discovering

was discovered

discover

Giải thích

Chọn A