What wonderful world it would be if all countries in the world could live peace with one another.
The lawyer stood up in defence of the driver, saying that he was not the one _____.
The number of college graduates in a country _____ its cultural standard nowadays.
—Do you mind if I open the window? —_____, I feel a bit cold.
—Shall we run around the park or go for a bike ride? —______. They are both good activities.
—How did she get infected? —She ____ the viruses without any protection.