Ôn thi Cấp tốc 789+ vào 10 môn Tiếng Anh (đề 25)

I think people who pumps raw sewage into the rivers should be

29/50

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in the following question.

 I think people who pumps raw sewage into the rivers should be punished.

should be

pumps

who

into