Tom Williams arrives at Changdong Airport. He calls his friend, 1 Dr. Nan, Dr. An, Dr. Wan . His friend is surprised by his 2 late, early, punctual arrival. She is going to pick him up at the 3 airport, hotel, office . Then she is going to take him to the 4 hotel, department, company , which is just a 5 five-minute, ten-minute, fifteen-minute walk to the school