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.
A. exports
B. is grown
C. in the south
D. the country
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….