It was very cold outside and we hadto go, so we had to stay at home .

It’s said that there are plenty of hotels in that town. There ____________ be any difficulty for you to find somewhere to stay.

Police are searching for an escaped criminal who is reported to _____ since he broke away from the prison

The letter from parents makes David _________ sad.

With our knowledge ________ practice，we can make great contributions to our society.