This is ______ unusual course that is taught in ______ university, but it’s of no use to the real life.
----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_________ .
---- _________ plastic bags we use, _________ it will be to the environment.----I agree _________ you.