Did you talk back to your mother when you were a child—Yes. But now I realize I was wrong. I really regret _____ that silly thing to my mum.

____ either of your parents come to see you recently?

No student go out of school after eleven o’clock at night without the teacher’s permission.

Here is the book. First _________ it and then tell me what you think of it.

To make the city look more beautiful, a lot of old houses along the street have been _____.