Combine the two sentences into one, using a relative pronoun.

1. I met a woman. Her husband is a famous linguist.

2. My friend's father gave us the tickets. He owns a travel agency.

3. The grammar exercise was very complicated. Nobody could do it.

4. I study English in a language school. It is in the centre of the city.

5. The student completed the quiz the fastest. The teacher praised him.