Ihavebeenstudyinghereforfouryears,bynextsummerI________.
To succeed in a scientific research project ________.
We were busy ________ (get) things ready for the trial production when he phoned us.
He fell asleep immediately last night; he must ________ (be) very tired.
“Have you moved into the new flat? ” “Not yet. The rooms ________ (paint). ”
Hardly had he finished his speech ________ the audience started cheering.