употребить глагол-сказуемое в форме страдат. залога:

Question

1.A lieutenant-general commands the civil defence academy. 
2.We received a new order yesterday. 
3.The rescue brigade carried out its mission successfully. 
4.The commander sent our group to the training center. 
5.Cadets will finish their work soon. 
6.Military students make important experiments in the laboratory.

Дмитрий Каминский · Accepted Answer

1 The civil defence academy is commanded by a lieutenant-general 
2 A new order was received by us yesterday. 
3 Its mission was carried out by the rescue brigade successfully 
4.Our group was sent to the training center.by the commander 
5.The work will be finished by cadets soon. 
6.important experiments in the laboratory were made by military students