—I suppose he’ll pass the exam, _______________? —Of course he will.
_____, the subject was always in my mind.
As I will be away for at least a year, I’d appreciate _____ from you now and then so that I can know how everyone is getting along.
The thief fell to the ground, his left foot _____ and blood _____ down from his mouth.
You can’t imagine what great trouble they have _____ the problem _____.
In January , 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.