---When were you born?---I was born ______ the morning of May 7th , 1995.A. in B. on C. at
— Why is your bedroom so dirty?— Sorry, Mum. It ___________. I felt very tired after playing soccer.
—Did you ______that Nancy has been a little too quiet these days?— Yes. She didn’t even say a word this afternoon.
— Oh, dear! There isn’t enough _____ for us in the lift. — No hurry. Let’s wait for the next.
Do you know the girl _______is singing in the classroom?
—I don’t know _______ now. —She is much better today.