Соедините два предложения, используя относительное местоимение
Example: I wrote to the friend. He had a birthday last week. – I wrote to the friend who/that had a birthday last week.  
1. I bought a house. Its roof was nice.
2. Alice has got a friend. He dances well.
3. He received the letter. He was waiting for it.
4. Max wants to become an actor. You met him last year.  
5. This dress costs a lot of money. It is yellow.
6. I forgot to bring the article. I wrote it yesterday.
7. The boy was sad. I can’t understand it.

My last holiday was a five-day trip to Prague in the Czech Republic. I know Prague well because I lived there when I was at university, more than ten years ago.

Instead of staying in a hotel, I stayed with one of my old friends. It was so much fun, and a little bit like my old life. I wanted to do all the same things I did in my university days, so I visited the university. It has changed a lot and looks more modern. I also went to the supermarket near my old house. I loved seeing all the different foods. I was really happy to find my favourite cheese and chocolate biscuits but they were a bit more expensive than I remember!

We did some touristy things too. We walked up beautiful Petrin Hill and around the castle. The views of the city are amazing up there. We walked across the historic Charles Bridge. My friend's flat is very near the TV Tower so we saw the famous baby statues climbing up it. Those things haven't changed, of course.