______- is natural environment in which plant or animals live.

__________ is the one that watches a game or match closely with the aim of ensuring that the rules are legally obeyed.

……….. is the state of not knowing how to read or write.

_____________ is a film or TV program presenting the facts about a person or event.

_____________ is a detailed description of a person's life.

The______ is the air, water and land in or on which people, animals and plants live.

Nylon is a man-made fibre, the use of which has helped more people to have cheaper and more colourful clothes to wear.

This is especially important in the age of globalisation, where countries face a daunting challenge to preserve their own cultural identities.

A _____ is a tube through which a person swimming just under the surface of the sea can breathe.

He is one of the most ………. bosses I have ever worked with. He behaves rudely to not only me but also others in the staff.