Li Gang, a police officer said that little about what his son _____ he know the moment all the media reported the traffic accident _____ in Hebei University.
—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.
With two children _____ middle school, the parents are working hard.
—Have you got any job offer? —No, I______.
If the weather had been better, we could have had a picnic. But it _____ all day.