Các dạng bài tập rút gọn mệnh đề quan hệ

Twenty percent of the people _______ said that they were very satisfied with the product and would buy it again. A. was surveying B. being surveyed C. survey D. surveyed

37/50

Twenty percent of the people _______ said that they were very satisfied with the product and would buy it again.

was surveying

being surveyed

survey

surveyed

Giải thích

Chọn D