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Câu hỏi: Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.
Mollusks, recognizing by most people by their shells, create some of the most diverse and beautiful objects on Earth.
A. recognizing
B. create
C. the most
D. on Earth
Mollusks, recognizing by most people by their shells, create some of the most diverse and beautiful objects on Earth.
A. recognizing
B. create
C. the most
D. on Earth
Giải thích: Giảm mệnh đề quan hệ, sau recognize có "by most people…" tức mang nghĩa bị động nên recognize phải ở dạng quá khứ phân từ sửa recognizing thành recognized
Đáp án A.