--It starts raining outside.--Oh, ____________!
About________of the workers in that steel works________ young people.
--- Did you tell Julia about the result? ---Oh, no, I forgot. I _____ her now.
_____ is known to us all that the sun rises in the east.
The police have collected some information the murder.
When I met him the other day,it was the first time we ____ each other since we graduated from school.