Unit 22

Tom knows a lot about the history of Egypt. He is a real ____.

_____ is a very popular activity with people who want to know more about different countries.

When people are in another country, they stay at ____

The _____ in the Carpathians is really fantastic.

The _____ helps people who live far away from each other get in touch.

When it doesn't rain for a long time, there is a _____

There was a lot of water and a lot of people left thier homes because of the ____.

When there are a lot of people in streets, they are ____.

There are a lot of ancient ____ and palaces in India.

Because people use cars, there are ____ on the roads.

People grow ____ to have something to eat for their families.

_____ explosion is a real problem in such countries as India and China.