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.
The streets are (A) crowded with (B) a population when (C) have no interest (D) in learning.
A. are
B. with
C. when
D. no interest
Đáp án C.
when → who
Đại từ who thay thế cho danh từ chỉ người đứng làm chủ ngữ.