Подскажите пожалуйста правильно ли сделала Английский Past Simple/Past Continuous:1. He

Подскажите пожалуйста верно ли сделала Британский
Past Simple/Past Continuous:
1. He read an interesting book last month. (read)
2. Sam read an interesting book in the morning. (read)
3. We were discussing this film when you arrived. (discuss)
4. She knocked and came in. (knock) (come in)
5. They watched TV and went for a walk. (watch)
6. The boy was watching TV at 6 oclock. (watch)
7. My friend introduced me to his mother. (introduce)

Past Simple/Present Perfect :
1. We have just begun our lesson. (begin)
2. He has already introduced us. (introduce)
3. I left my copybook at home yesterday. (leave)
4. She got a bad mark last week. (get)
5. Mike read this exercise before the lesson. (read)
6. Sam and I met a week ago. (meet)