Would you like to watch the three-D film Titanic with me?–Certainly. I don’t mind seeing it again although I _____ it twice.
Have you found your lost dictionary?—-No,I haven’t found_____,but I bought _______this morning.
What did you do before you came here? —I in a factory.
Mrs. Smith is our English teacher. _______ all love her very much.
He doesn’t know_________ the work by himself.