用所给词的适当形式填空(高手进,请尽快,现在要）
1.The boys are …… the road.(cross)
2.My mother often …… “study hard.”(say)
3.We like …… in summer.(swim)
4.Miss Gao teaches …… English.(I)
5.My brother …… English on weekends.
6.This isn't …… schoolbag.…… is in my desk.(she)
7.Class …… at eight.(begin)