Make questions. Start with the words in brackets.
Model: She had been to England before she wrote a book.(Where?)
Where had she been before she wrote a book?
1. He had phoned his friend before he went to the theatre. (What?)
2. He had a stomachache because he had eaten a lot of cakes. (Why?)
3. When she received a telegram her brother had already left. (Had?)
4. I couldn`t send an e-mail because I had lost her address. (What?)