Exercise 5.13. Change the sentences into questions as in the example. Answer the questions.

Example: He can play chess. -- Can't he play chess? -- Yes, he can. / No, he can't.

1. They left for Moscow.

2. He has finished his work.

3. She will visit us on Monday.

4. She has many relatives.

5. His father works here.

6. You know his address.

7. We shall go home together.

8. They are at home.

9. I am listening to you.

10. His friends were working in the garden.

11. You have done the task.


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