10. Answer the following questions:

1. Have you bought this book? 2. When did you buy it? 3. Have you seen this play? 4. When did you see it? 5. Have you made this dress yourself? 6. When did you make it? 7. What were you doing at 7 last night? 8. Were you knitting at that moment? 9. What were you reading when I entered? 10. What were you singing when he came? 11. Why were you laughing when you saw him? 12. Why was the baby crying? 13. What were you doing when we rang you up? 14. What were they writing when the teacher entered? 15. What was he listening to when you called him? 16. What were you reading when the door-bell rang? 17. Where were you going to when I stopped you? 18. Where was the boy running when you saw him?

11. Put the verbs in brackets in the correct tense-form:

1. They (to go) to the Maly Theatre last week. 2. They (to be) to the theatre twice this week. 3. He (to come) home, (to have) a short rest, (to read) an article from the latest magazine and (to begin) to prepare his lessons. 4.When (to return) your friend from the South? -- She (to return) yesterday. -- You (to go) to the station to meet her? - - No, I (can) not. I (to be) too busy. 5. With whom (to discuss) you this question yesterday? 6. I (to see) this film this week and I like it very much. 7. When I (to enter) the kitchen, I (to see) that my mother (to stand) at the table and (to cut) some cabbage. She (to cook) dinner. 8. As soon as I (to hear) a cry I (to run) out of the room and (to see) that the child (to lie) on the ground and (to cry). "What (to happen)? (To hurt) you yourself?" 9. I (to want) to get tickets to the Bolshoi Theatre. - You (to want) to hear the new opera? (Not to hear) you it yet? 10. What (to go) you to do? -- Now I (to go) to have a bite. I (to have) not any dinner today. 11. As soon as I (to see) him, I (to understand) that he (to work) hard. He (to think) of something very important for him and (not to notice) anything. 12. Your brother (to return) from the North? -Yes, he (to come) two days ago. 13. (To be) you to the Crimea? When (to be) you there? - I (to stay) there for two months in 1979. I (to remember) I (to like) everything there, and most of all I (to like) the sea.

12. Respond to the following sentences:

1. Will you come to our party? 2 Is it late to go downstairs to the laboratory? 3. Have some more coffee, will you? 4. I am so thankful to you, you have helped me a lot. 5. It's so cold today. 6. Let's go to the museum together. 7. You don't know our new secretary, do you? 8. I've already invited their parents to our party. 9. I should like to join our English choir. 10. She is very good at swimming. 11. I find it rather difficult to study a foreign language. 12. Will you go to the Caucasus in summer? 13. We are going to have a test in oral practice this week. 14. He has passed his exam in Chemistry and got an excellent mark. 15. The girl has failed at her exam, you know. 16. Would you like to go to the skating-rink tonight? 17. He is very good at skating. 18. Will you put my fountain-pen right? 19. Will you turn off the tap? The bath is full of water. 20. Shall I turn on the radio? I should like to listen to the news. 21. I'm so sorry. I can't get this book. 22. It's so stuffy here. You should air the room. 23. How could you say such a thing?

13. a) Make the following sentences interrogative and negative:

1. It is as chilly today as it was yesterday. 2. The frost will be as hard tomorrow as it is today. 3. She is as fond of frosty weather as her brother is. 4. It has stopped raining. 5. She will be working when you come. 6.Pressure will remain high.

14. Answer the following questions:

1. When did the Wilsons arrive in Moscow? 2. Where did they come from? 3. They came to Moscow on a visit, didn't they? 4. What do people usually do when they come to a town for the first time? 5. What did they want to see in Moscow? They wanted to see as much as possible, didn't they? 6. Who took them sightseeing about the city? 7. What places of interest did the guide show them? 8. Did they do much sightseeing? 9. Did the Wilsons like the centre of out city? 10. What did they admire most of all? 11. Where is Moscow University situated? 12. What did the tourists see from the Vorobyev Hills? 13. Where else can one enjoy a most beautiful view of the whole city from? 14. Can you describe the centre of Moscow? 15. In which street do you live? 16. How long does it take you to get to the University from your place? 17. Does your friend live in the suburbs of Moscow? 18. Can you tell me the way from here to Petrovka Street? 19. How does your father usually get home from his office? 20. Is it easy to get a taxi during rush hours ? 21. If one of your friends came here for sightseeing what would you advise him to see if he had: one day; two days; a week or a fortnight?