Western Australia/ big/ state of the country Queensland/ large/ Australia’s / state/ two South Australia/ four/ state/ large/ in Australia The Murray/ river/ Australia’s/ long The Darling/ in Australia/ long/ three/ river Mount Townsend/ mountain/ Australia’s/ high/ two Perth/ five/ in Australia/ city/ big

Western Australia is a state in the country of Australia. It is a big state, but not as large as the state of Queensland, which is the largest state in Australia. South Australia, on the other hand, is one of the four states in Australia and it is also quite large.

Australia has many rivers, and one of the longest rivers is the Murray. It is considered to be Australia's longest river. Another long river in Australia is the Darling, which is three rivers long.

Now, let's talk about mountains in Australia. Mount Townsend is one of Australia's highest mountains, reaching a height of two mountains.

Lastly, let's look at the cities in Australia. Perth is a big city and it is located in Western Australia. It is the capital city of Western Australia and it is considered to be the fifth-largest city in Australia.

To summarize:

- Western Australia is a big state, but not as large as Queensland.
- South Australia is one of the four large states in Australia.
- The Murray is Australia's longest river.
- The Darling is a long river in Australia, which is three rivers long.
- Mount Townsend is one of Australia's highest mountains, reaching a height of two mountains.
- Perth is a big city located in Western Australia and it is the fifth-largest city in Australia.