____paragraph is a group of sentences about some related subject. Readers must know what the main idea of ___paragaph is in order to understand ___information they are reading.
--- 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.
The class _____ my daughter studies in _____ fifty-six students.