Употребите глагол, указанный в скобках, в нужном времени активного или пассивного залога: 1. he (study) at volgograd state university. 2. he (read) when she came in. 3. she (be) to london this week. 4. he (do) all his work by ten o clock. 5. cranes (use) for lifting heavy weights.

1. He studied at Volgograd State University.
2. He was reading when she came in.
3. She has been to London this week.
4. He had done all his work by ten o clock.
5. Cranes are used for lifting heavy weights.