1)branch a) from the university 2)To be out b) laboratory 3)To launch c) to the investigation 4)A theory d) of science 5)A research e) a satellite 6)To contribute f) welding 7)To graduate g) of order 8)To award h) of relativity 9)Electric i) a title

1. I (went) to the cinema yesterday. 2. I (was going) to the cinema at four o'clock yesterday. 3. I (was going) to the cinema when you met me. 4. I (was doing) my home­work the whole evening yesterday. 5. I (was doing) my homework when mother came home. 6. I (did) my homework yesterday. 7. I (was doing) my homework from five till eight yesterday. 8. I (was doing) my homework at six o'clock yesterday. 9. I (did not play) the piano yesterday. I ( wrote) a letter to my friend. 10. I (was not playing) the piano at four o'clock yesterday. I (was reading) a book. 11. He (was not sleeping) when father came home. He (was doing) his homework. 12. When we were in the country last summer, I (went) to the wood one day. In the wood I ( found) a little fox cub. I ( brought) it home. I ( decided) to tame the cub. Every day I ( fed) it and ( took) care of it. I (was taming) it the whole summer. Now the fox cub is quite tame. It lives in my house. 13. When I (was going) to school the day before yes­terday, I met Mike and Pete. They (were  talking) and ( laughing). They told me a funny story. Soon I (was laughing), too. I still (was laughing) when we came to school. After school I (told) this story at home. My father and mother ( liked) it very much.

1. I (went) to the cinema yesterday. 2. I (was going) to the cinema at four o'clock yesterday. 3. I (was going) to the cinema when you met me. 4. I (was doing) my home­work the whole evening yesterday. 5. I (was doing) my homework when mother came home. 6. I (did) my homework yesterday. 7. I (was doing) my homework from five till eight yesterday. 8. I (was doing) my homework at six o'clock yesterday. 9. I (did not play) the piano yesterday. I ( wrote) a letter to my friend. 10. I (was not playing) the piano at four o'clock yesterday. I (was reading) a book. 11. He (was not sleeping) when father came home. He (was doing) his homework. 12. When we were in the country last summer, I (went) to the wood one day. In the wood I ( found) a little fox cub. I ( brought) it home. I ( decided) to tame the cub. Every day I ( fed) it and ( took) care of it. I (was taming) it the whole summer. Now the fox cub is quite tame. It lives in my house. 13. When I (was going) to school the day before yes­terday, I met Mike and Pete. They (were  talking) and ( laughing). They told me a funny story. Soon I (was laughing), too. I still (was laughing) when we came to school. After school I (told) this story at home. My father and mother ( liked) it very much.