| A.an American | B.a Chinese |
| C.a professor | D.a student |
| A.warmly welcomed at the airport |
| B.offered a ride to his home |
| C.treated hospitably at his home |
| D.treated to dinner in a restaurant |
| A.strict with time | B.serious with time |
| C.careful with time | D.willing to spend time |
| A.Friendships between Chinese |
| B.Friendships between Americans |
| C.Americans’ hospitality |
| D.Americans’ and Chinese’s views of friendships |