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.
Question 11: There are differences and similar(A) between Vietnamese(B) and American(C) cultures(D).
Question 12: My brother hasn’t(A) worn that uniform(B) since(C) he leaves(D) school.
Question 13: If Allan had come sooner(A), he could has eaten(B) dinner with(C) the whole(D) family.