完成以下句子,用amnot,aren`t,isn`t,can`,don`t或doesn`t填空.1.Helikescoffe,butI______
2.shelikestea,buthe____
3.heiseatingsomebread,butshe___
4.shecantypeverywell,buthe__
5.theyareworkinghard,but__
6.heisreadingamagazine,buti__