Fertilizer, (A) which is added to the soil to replace or (B) increase plant

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Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions

Fertilizer, (A) which is added to the soil to replace or (B) increase plant nutrients, (C) include animal and green manure, fish and bone meal and (D) compost.

which is

increase

include

compost

Giải thích

Đáp án C

Fertilizer /’fə:tilaizə/ (n): phân bón

Vì chủ ngữ “fertilizer” là danh từ số ít nên động từ “include” phải thêm “s”

Đáp án C (include => includes)