Ex. 6. Fill in the proper article. c) … Australia is … interesting country. Australians are very friendly, happy people. Some of … strangest animals in … world live there. In … Great Victoria Desert you can find … kangaroos and … koala bears. … most famous city in Australia is … Sydney. d) Last year … Smiths went on holiday to … London with their friends … Browns. They visited … Hyde park and went on … boat trip on … Thames. … Mrs. Brown visited … Buckingham Palace hoping to see … Queen. Unfortunately, … Queen Elizabeth II wasn’t at … home at the time.

A)-,an.
the, the.
the, -,-
the, -.

b)the,-,the.
-,a,the.
-,-the.
-,-

-,- означает нет артикля