Combine these sentences to make a single one
1, It happened to me that i met my old friend at the university this morning.
2, I have to get up early in the morning and i'm used to it.
3,She had taken his umbrella by mistake .She apolosized to him for it.
4, He insisted that we should invite his mother-in law to the restaurant.
5, She went to the library .She wanted to read books there.
6, She was disturbed by his silly questions .She disliked it.
7, The boys were playing in the garden. The mother watched them.
8, She was playing the piano in the next room .I could hear it.