Mr. Bush is on time for everything. How________it be that he was late for the opening ceremony?
The incomes of skilled workers went up. ______, unskilled workers saw their earnings fall.
The further falling of the stock market as reported today has _______ a fresh wave of selling.
In the current situation, ___________ the dollar goes above 1.85 reais, investors sell the greenback to take some profit.
Thanks to Mr. Smith the father and the son eventually______________ after ten years' cold relationship between them.
—A medical team was sent to Japan by air five hours ago.—So they ______________ have arrived by now. The flight usually takes four hours or so.