I often look into new words in the dictionary whenever I don’t know their meanings74/80Mark 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. I often look into new words in the dictionary whenever I don’t know their meanings.look intoinwhenevertheirGiải thíchĐáp án là A. look into => look up ( tra cứu )