I am so tired,for I ________ English for 2 hours.
--- Im afraid I can not return the book to you before Friday----____________.
When the expression first came into being, people refused to use it but _____ they began to accept it.
Everybody has ______ to play _____ our environment.
She pretended to be calm but _______she was more than nervous at the time she was being questioned.
She didn’t come to his birthday party just ______what he had said to her the day before.