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.
No one in our office (A) wants to drive to work (B) because of there (C) are always traffic jams (D) at rush hour.
A. wants
B. because of
C. are
D. at rush hour
Đáp án B
Because of + N/ V-ing: bởi vì
Because + mệnh đề: bởi vì
Đáp án B (because => because)