Помогите, пожалуйста!!!
Поставьте слова в Past Perfect или Past Perfect Continuous
1)We were good friends. We ___ (know) each other for a long time.
2)Mary was sitting on the ground. She was out of breath. She ___ (run).
3)I was sad when I sold my car. I ___ (have) it for a long time.
4)At last the bus came. I ___ (wait) for 20 minutes.
5)I was very tired when I arrived home. I ____ (work) hard all day.
6)We weren’t hungry. We ____ (just have) lunch.
7)We ____ (play) for half an hour when it started to rain.
8)When Sarah arrived at the party, Paul ____ (already go) home.