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.