Откройте скобки и поставьте глагол в нужной форме.1)The doctor(to operate)since 2o'clock.2)We will(to finish)this exercise by 11:20.3) I(to work)at this hospital for tlventy.4)In 1905Koch(to get)the Nobel Prize for his discoveries.5)The nurse(to mske)blood transfusion when the doctor called her.6)Nurses already(to take)blood pressure of patients and(to use)x-rays now.7)Kate looked at the watch.She(to write)the report for 3hours.8)We(to wait)for the bus for half an hour.