Christopher Columbus was ______ explorer from ______ European country.

________ now to protect our mother river —LiJiang River , we ‘ll live to regret it.

I have ________ breakfast at 7:00 in the morning.

(2013·宁夏银川一中高三第四次考试)It was terrible. The car ________ break down just as we were going on our holiday.

I regret to say that I have shouted at you the other day．— Forget it． I was a bit out of control myself．