1.写出相应的高级词汇
be worried about
2.来自不同的国家 __________
3.交朋友 _____________
4.生火 ______________
5.加入这个队 _____________
6.the school football team _____________
7.try out for _____________
8.pretty soon ______________
9.do well in ___________
10.over there __________
