选择合适的介词填空（英语高手来帮帮忙啊）
in at about on in
1.He,s good ____English.
2.They played a lot of games_____the camping site.
3.I got up______6 o,clock this morning.
4.-How do you like speding your weekends?
-I like piaying _____the swings.
5.They are talking ______the park.
6.The students are saying goodby _____their teachers.
（各位叔叔阿姨哥哥姐姐、英语高手来帮帮忙啊）谢谢了
介词是：in at about on to