By the time he (0) began (begin) classes at Harvard, Mark Zuckerberg (1) (achieve) a reputation as a programming genius. Before the end of his second year at university, he (2) (already /design) CourseMatch, a program that helped students choose classes based on the choices other students (3) (make). At the time, Mark (4) (study) psychology and computer science. A short time later, he created Facemash, a program that let students select the best-looking person from different photos. Until then, students (5) (use) books called ‘FaceBooks’, which included the names and photos of everyone who lived in the student dorms. Facemash went up over the weekend but by Monday morning, the college (6) (take) it down because its popularity (7) (flood) Harvard’s server. Before Facemash, students (8) (ask) the university to develop a similar website for months. Mark (9) (work) on a very similar idea when he
heard about these requests, so he decided to do something about them – and promised to build a better site than what the university (10) (plan).
1. Nina (celebrated) her birthday yesterday. Her room looked beautiful, there (were) many flowers in it. When I (came) in, somebody (was playing) the piano, two or three pairs (were dancing). 2. Listen! Somebody (is playing) the piano. 3. I (like) music very much. 4. When I (looked) out of the window, it (was raining) heavily and people (were hurrying) along the streets. 5. What were you (doing) at seven o'clock yesterday? - - I (was having) supper. 6. When I (came) home yesterday, I (saw) that all my family (were sitting) round the table. Father (was reading) a letter from my uncle who (lives) in Kiev. 7. Where were you yesterday? — I (was) at home the whole day. — How strange. I (rang) you up at two o'clock, but nobody (answered). — Oh, I (was) in the garden. I (was reading) your book and (did not hear) the telephone. 8. What were you (doing) at five o'clock yesterday? — I (was working) in the library. — I (was) there, too, but I (did not see) you. 9. Yesterday I (was working) at my English from five till seven. 10. It (was raining) the whole day yesterday. 11. Where is your sister now? — She (was) in her room. She (was doing) her homework.
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