“Students _____ made no mistakes in today’s exercises please raise your hands.” The teacher said.

Sorry, Madam.You’d better come tomorrow because it’s ____ the visiting hours.

Teenagers under 19 years old _______ to visit this website according to the rules last year.

Why did you leave the fan on in your room It’s awaste of electricity.—________

He wants to see changes in the company and I am sure he will, ______