"BE QUICK! WE MUST SPEED UP IF WE DON'T WANT TO MISS THE F...

Câu 2. "Be quick! We must speed up if we don't want to miss the flight. A. slow down B. look up C. put forward D. turn down Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.