It was the fourth time that Tom _____ in the maths exam.
The police are to ______ the traffic accident that we don’t know _____.
— The floor is dirty.— Yes. It _______ for two days.
My sister_____ Tony for ten years next year.
Do you know a concert _____ in our hometown next month?
— Who is ____ the TV show? She seems to be talented. — Mary Green, who used to be a great actress.