Part 3. Complete the following paragraph with the given words in the box. Write the answer on your answer sheet. There is one EXTRA word.

During our lifetime, most of us have some ___(21)___ of either owing a pet or being in close contact with someone who does. Is there such a thing as “the ideal pet”? If so, what characterizes the ideal pet? Various factors influence one’s choice of pet, from your reasons for getting a pet to your lifestyle. For example, although quite a few pets are ___(22)___ cheap to buy, the cost of upkeep can be considerable. ___(23)___, everything must be taken into account, from food and bedding, to vaccinations and veterinary bills. You must be prepared to ___(24)___ time on your pets, which involves shopping for it, ___(25)___ and feeding it. Pets can be demanding and a big responsibility.