- Who left the window _______?- Sorry. I forgot _______ it when I left yesterday.
----Must we clean the classroom now? ----No, you _________. It _________ after school.
----Hi! Where are you going? See what the sign _________ ? ----Sorry, I _________ it.
---- Can I _________ your dictionary? ----Sorry. I’ve _________ it to Jim.
----Is Mary at home? ----No, she_________ the library. She _________ there a moment ago.
---- Don’t play with the knife, _______ you’ll cut yourself. ----Sorry, I_________ .