Answer:
1. After Fred spent his holiday in Italy, he wanted to learn Italian.
2. Jill phoned Dad at work before she left for her trip.
3. Susan turned on the radio after she washed the plates.
4. When she arrived, the match had already started.
5. After the man came home, he fed the cat.
6. Before he sang a song, he played the guitar.
7. She watched a video after the children went to bed.
8. After Eric made breakfast, he phoned his friend.
9. I am very tired because I studied too much.
10. They rode their bikes before they met their friends.