Egyptian President decided to ______on Friday afternoon after an 18-day campaign against him, ending his thirty-year rule.
______ from the space, the Great Wall looks like a dragon.
I could just see a car in the distance, but I couldn’t _____ what color it was.
What did you ____ me ____? I’m a teacher, not a doctor.
The new discovery is of ________.
Once _____ , the machine will keep running.