Дополните диалог:
Peter: Hi, Paul. 1_______.
Paul: 2_______. Peter, can you tell me what you were doing yesterday from 9 till 11 p.m.? I was looking for you.
Peter: Well, let me see. A few students and I were carrying out some experiments with different electrical devices. As for me, I was measuring the voltage.
Paul: And what about Alex? Do you happen to know what he was doing?
Peter: 3_______, he was measuring the resistance of a lead.
Paul: 4_______. I hope Julia and Michael were helping him.
Peter: Yes, they were. They were connecting leads to the multimeter. The needle was indicating the value of the resistance on the scale.