Vietnam (A) exports a lot of rice (B) is grown mainly (C) in the south of (D) the country

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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.

Vietnam (A) exports a lot of rice (B) is grown mainly (C) in the south of (D) the country.

exports

is grown

in the south

the country

Giải thích

Đáp án : B

is grown => grown. Rút gọn đại từ quan hệ trong câu bị động, ta dùng V-ed. Câu đầy đủ : …. a lot of rice which is grown mainly….