---How old is your mother? ---She is ______years old. Today is her ______birthday.

_________ should not be allowed to go out at night. 

There used to be _________ near the river.

This is the      time during      days that he has made the same mistakes. 

–We ‘ll be back for our school’s _____anniversary (周年) ceremony . -I see. That means you’ll have a get-together with your classmates in ____years .