阅读短文，选择适当的单词填空，每词限用一次，其中有两项是多余的。
During, trip, music, meet, visiting, second, stay, train, air, concert, hard, usual
The Greenwood Boys are a group of popular singers. A lot of young people enjoyt heir 1. _______
very much. Now they are 2. _______many parts of the country. Theywill get here tomorrow.
This is their 3. _______ time to Beijing. They came here Iast year and many people watched them
play. They'll come by 4. _______ and most of the fans will 5. _______ them at the station.
Tomorrow evening they'll give a 6. _______ at the Worker's Club. The Greenwood Boys will
7. _______ here for five days. 8. _______ this time they will give five concerts. As 9_______,
the police will have a 10. _______ time. J;hey'll try to keep order(维持秩序).