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.
Although (A) Nam worked very hard,(B) but (C) he didn’t (D) pass the final exam.
A. Although
B. hard
C. but
D. didn’t
Chọn C
Bỏ “but”. Vế sau của “Although” không có từ “but”