Africa is a very _____ continent, with each country, or even each part of a country having its own unique culture.
China is a large country, which 9,600,000 square kilometers.
The officer insisted that Michael did not follow the correct ________ in applying for a visa.
It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ________.
Whether the buildings in this area should be pulled down has remained ________; people are still looking for other possible solutions.
Can you tell the ________ difference between the words “require” and “request”? I sometimes get puzzled by their meanings.