Làm và Giải thích nữa ----- Nội dung dịch tự động từ ảnh ----- Question 17: In a message board you can messages UI pt A. raise D. leave C. text services, along with chat rooms, continue to be an important B. arrive Question 18: The part of children's online interactions. A. online D. indirect C. direct Question 19: Many older people may not understand the B. offline of social network in terms of communication. A. develop B. development C.developed D. developing Question 20: Sometimes we don't believe the things he says because he is always B. making a joke. D. speaking A. talking C. saying