4. Generally, there is no article with place names, but sometimes we use the. Write the or (X) (= no article): continents: in countries: in

states: in

cities/towns: in

parks: in

mountains: up

mountain ranges: to

X Africa

Kazakhstan

Alaska

Bishkek

Central Park

Mount Everest

Himalayas

lakes: by Lake Issyk-Kul

seas: across

oceans: across

Black Sea

Atlantic Ocean

rivers: on Mississippi River Suez Canal

canals: through

countries whose names include the words states, kingdom, or republic: in

United States​

 They are having a meeting.
She has not spoken yet.
They have asked me several questions. 
He has already learned the rule.I am writing an exercise.
What is he doing? — He is reading a newspaper.

What are you doing here? - I'm writing a letter to my friends.
Who has writen this article?
What language are you studying?
We have already learnt a lot of English words.
What is she teaching them?
 Who has taught you to do it?
He has just done something for us. 
Have you found the book? 
What are you looking for?
What are you talking about?
We have just talked about it.
He has just said something about it.
She is telling them some interesting story.
He has told us nothing about it.
She has told them some stories about dogs.
We have had two lessons today. 
Have you read any stories by Jack London?
I am answering the telephone right now. 
He has fixed his car and now he is not having any trouble with the brakes anymore. 
You have just heard tomorrow's weather forecast.

 1. What are you talking about? 2. We have just talked about it. 3. He has just said something about it. 4. She is telling them some interesting story. 5. He has told us nothing about it, 6. She has told them some stories about dogs. 7. We have had two lessons today. 8. They are having a meeting. 9. She hasn't spoken yet. 10. They have asked me several questions. 11. He has already learnt the rule. 12. I am writing an exercise. 13. What is he doing? He is reading a newspaper. 14. Have you read any stories by Jack London? 15. What are you doing here? I am  writing a letter to my friends. 16. Who has written this article? 17. What language are you studying? 18 We have already learnt a lot of English words. 19. Have you found the book? 20. What are you looking for?