The old man started to learn how to surf the Internet in his ． （eighty）
We call people from countries like France， Russia and England ______ （Europe）．
Oh， my god! I ______（complete） forgot that it was your birthday yesterday．
The old man lives on the______（one） floor．
May I use your dictionary， please？ I left______（my ） at home．
Mike often______（act） in some films． He is an actor．