While he was investigating ways to improve the telescope, Newton made ______ discovery which completely changed ______ man’s understanding of colour.
________, Nathan gave back the enormous amount of money he found.
________ entered the classroom ________ the bell rang.
— Did you remember to give Jenny the money? — Yes. ________ I saw her, I’m sure.
______ their homework, these three students have to stay in the classroom for another thirty minutes.
When ________ what made him a popular person, he said it was his personality.