Fill in the blank (x).

Directions: Some of the words have been left out. First read the passage over and try to understand what it is about. Then, fill in the blanks with the help of the alternatives given.

It is claimed that owning a pet, such as dog or cat, can be highly _____(vi)_____ as they have therapeutic effect on people. By _____(vii)_____ a pet, it becomes easy for people to form bonds with living things other than humans and they also acquire a sense of _____(viii)_____ when having to care for the animals. Children can also be _____(ix)_____ that animals are very important and they must be looked after with care. On the other hand, sometimes keeping pets and looking after them can be quite _____(x)_____ and difficult.