tim loi sai Overpopulation (A) is one of the main factor(B) that lead to unemployment(C),illiteracy,and social evils.(D)
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Overpopulation (A) is one of the main factor (B) that lead to unemployment (C) ,illiteracy, and social evils.(D)
Sửa thành factors bởi vì one of the + danh từ số nhiều.
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