--- The office isn’t _______. Will you please turn on the lights? --- Sure.
Few people knew how to use the Internet in the past,_____?
—What should we do before we use the blender? —I think we must read __________.
—How long ago ______ you ______ the English Club? —I ______it since two years ago.
Would you like to go ________?
—Will you come______have a drink with me? —I’d love to, _______I’m too busy these days.