The fact that so many people still smoke in public places _____ that we may need to do more to raise awareness of the risks of smoking.
By the time Juan gets home, his aunt _____ for Puerto Rico.
Robert is said _______ abroad, but I don’t know what country he studied in.
________leaves the room last ought to turn off the lights.
Great changes have take place in that school. It is no longer ______ it was twenty years ago, _______ it was so poorly equipped.
It is ______ that the US president will visit our country next month.