С) ответьте на вопросы 1) what must people do when they`ve got a pet? 2)what things are interesting or useful to collect?

1) There are many duties when you have a pet. I think people must take care of their pets. For example, they must buy them food, take care of them and play with them. Also, people can train their pets.
2) I think there are many interesting and useful things to collect. For example, many people are interested in collecting coins from different countries. Also, kids are interested in collecting candy wrappers.