Combine the following sentences to make one sentence.

1. Some house cats are very friendly with strangers. Some cats are quite shy.
2. Our team scored the winning point. I was at the snack bar.
3. Mr. Lee is Christina's grandfather. He was born in Shanghai.
4. Jim works at my doctor's office. He is a technician. He took my blood pressure.
5. The children want dessert. They have to finish their vegetables first.