Переделать в другой залог: 
1. New Metro lines are being built in different parts of Moscow.
2. The article will be translated at the lesson. 
3. On Thusday the foreign studens were being shown lecture halls and laboratories of Moskow University
4. The temperature in the Underground is maintained at 70°F.
5. A totally new safety system is being installed.

They are building new metro lines in different parts of Moscow. They will translate the article at the lesson. They were showing to the foreign students lecture halls and laboratories of MU. The temperature maintains at 70. They are installing a totally new safety system