Do it now. __________, it will be too late.
—Who would you like to talk with at the end of the speech? —The lady _________ Miss White.
—_________ you _________ the terrible news about Libya? —Yes, I _________ it this morning. The people there will suffer from the war.
Many people believe we will face environmental disasters _________ we completely change the way we live.
—Have you decided when to leave for Australia? —Not yet. We _________ set off at the end of this month.
We are _________ by doctors to eat more natural food and take plenty of physical exercise.