Question

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. 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).

Answer 1

Had begun
Achieved
Had already designed
Had made
Was studying
Were using
Took
Had been asking
Was working
Planned