С. задать вопрос к подлежащему 1.we received this letter from the continental equipment last week. 2.he usually drinks coffee for breakfast. 3.next summer they will go to the mountains. 4.they are discussing the terms of delivery.

1.Who received this letter from the ContinentalEquipment last week?
2.Who usually drinks coffee for breakfast?
3.Who will go to the mountains next summer?.
4.Who is   discussing the terms of delivery?