Помогите пожалуйста с английским Пятое задание

1) If you don't do your homework, you will get a bad mark.
2) Yesterday, he was sleeping when the doorbell rang.
3) We have visited lots of countries. We went to India last year.
4) She often watches films at weekends.
5) I don't like skirts but today I am wearing one because of the concert.
6) I was doing my homework at 7 p.m. yesterday.