1it is very important to keep children from unsafe websites.
2 my sister keeps watching the same film again and again.
3 with so many new forms of entertainment; it's hard to keep all
of them.
4 everyone must keep the stage during performances.​

 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?

1) Hello, can I take part in your talk show?
2) He must've writes the a new detective.
3) My sister engaged in aerobics for a year now and "took off" five kilograms.
4) Do you have plans for the summer? - We are going to take in the sights of London.
5) I have never seen such a masterpiece!
6) If it will be warm tomorrow, we'll go on a boat ride, and ifcold - by car.
7) To our arrival, Thompsons rented house in the village.
8) Ice skating can be extremely difficult if you have nevernot tried.
9) Children should not go swimming unaccompanied by an adult, the lake must It is very profound, because the water is always cold.0) This year we are have not rested