When we went to the airport to see her off, we had a traffic jam.2/30Whenwewenttotheairporttoseeheroff,wehadatrafficjam.saygoodbyetohermeethertakecareofherlookforherGiải thíchĐáp án A Giải thích: see sb off = say goodbye to sb (v) tạm biệt ai đó