As the most acute one in _______ history of all epidemics, the Spanish Flu had ______ tendency to strike the young and fit rather than the old.
We didn't know his telephone number, otherwise we _________ him.
If only you __________ him what I said! Everything would have been all right.
— Our boss says the company is at _________ crossroads. — Yes, it is challenging and demanding, but we shouldn’t lose _________ confidence.
China’s one-child policy has been in place for decades and is causingageing problem. So the news that China abandons one-child policy is _________ with cheers from many married couples.
This was a time _________ the two countries were at war.