Frankly speaking, ________ of them knew what the other was doing that morning.
—When will you come to see me, Dad?—I will go to see you when you __________ the training course.
—You've left the light on. —Oh, so I have. __________ and turn it off.
He was about to tell me the secret __________ someone patted him on the shoulder.
In the near future, more advances in the robot technology __________ by scientists.
—When __________ again?—When she __________, I'll let you know.