That's why it is important for people to travel wisely and respect the places (30) ___________ they visit.Đoạn văn30/45Read the following passage and choose the word or phrase (A, B, C or D) which best fits each of the numbered blanks. That's why it is important for people to travel wisely and respect the places (30) ___________ they visit.wherewhomwhichwhoseGiải thíchA. where