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