It's hard to imagine life before social media. If you asked a teenager what they would do if Faceboo...Đoạn văn18/40Mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 18 to 23.was launched in 1997 after it was launched in 1997 it was launched in 1997 which was launched in 1997Giải thíchChọn đáp án C