Răspuns:
1) definitely
2) also
3) however
4) also
5) moreover
6) finally/so
The first paragraph is about how pets represent a big part of our lives.
The second paragraph is about the perks of having a pet (especially a dog).
The third paragraph is about the responsibilities of having a pet.
The fourth paragraph is a summary of the text.
Advantages: great companions, can give you a greater sense of security, children love pets and they teach them how to be responsible and how to care for living things.
Disadvantages: there are some expenses (cages, food, toys, equipment, veterinary treatments), pets are time consuming, pets tie you down to a certain extent you can't just leave home to go on a holiday without thinking of your pet.
