Combine each pair of sentences into one, using a suitable Relative Pronoun

Combine each pair of sentences into one, using a suitable Relative Pronoun.
56. I wanted the painting. You bought it. 57. We threw out the computer. It never worked properly. 58. This is the lion. It’s been ill recently. 59. That’s the building. I passed by it. 60. They are the shops. I got these flowers from them.