It's a 24-hour relay. They'll only have been ________ for half the time by 6pm.
A. ran
B. run
C. running
Chọn đáp án C
The teachers will ________ for a month by the time the deal is made.
She'll still be groggy. She ________ undergoing surgery for three hours.
They'll be exhausted by dinner. They will have been _____ hockey for seven hours.
Will you ________ here for ten years by the time of the Christmas party?
The films run all night. We ________ movies for six hours by the time the feature comes on.