Помогите с английским пожалуйста )
Complete the sentence. Use past perfect.
1. By the time they wrote the text...
2. Before my parents came home...
3. I didn't know about it because...
4. When I phoned my friend...
5. When we arrived at the party...

1. ...I had returned from my work2. ...my sister had done her homework 3... Mark had already gone4... he had already finished his article5. ...the guests had already had dinner.