Question 23: A. to work together to reduce B. working together to reduce C. to working together to reduce D. work together to reduceĐoạn văn23/40Mark the letter A, B, C, or D to indicate the correct option that best fits each of the numbered blanks from 18 to 23.to work together to reduce working together to reduceto working together to reduce work together to reduceGiải thíchChọn đáp án A