.必4 UNIT 4 COMMUNICATION: NO PROBLEM? Yesterday, another student and I, _(represent) our universitys student association, went to the Capital _(internation) Airport to meet this years international students. They were coming _(study) at Beijing University. We would take them first to their _(dormitory) and then to the student canteen. After half an hour of _(wait) for their flight to arrive, I saw several young people enter the _(wait) area looking around c
