Not until the early years of the 19th century______ what heat is.
If he that he made a mistake, we will forgive him.
It’s common sense that in summer people like to seek shade the air is cooler.
August 8 was declared as National Fitness Day, when various events to encourage people to take more physical exercise.
Our manager made a special to discuss our progress in sales once a week.
-How did it that the secretary knew where we were?-Maybe he had been following us.