Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
Fertilizer, which is added to the soil to replace or increase plant nutrients, include animal and green manure, fish and bone meal and compost.
A. which is
B. increase
C. include
D. compost
Đáp án C
Inclide => includes vì chủ ngữ fertilizer số ít nên động từ phải thêm “s”