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.
Câu 1: It was not (A) until I was (B) on my way to the airport (C) did I realize I had left my passport (D) at home.
A. until
B. on my way
C. did I realize
D. at home
Câu 2: I am (A) surprising (B) at (C) how much he smokes; I’m not (D) used to it.
A. surprising
B. at
C. how much
D. used to
Câu 3: The sign (A) says that we (B) should read (C) the constructions carefully before (D) proceeding.
A. says
B. should
C. the constructions
D. proceeding
A.
B.
C.
D.