–Is that colourful pencil-box Bob’s ? – No, it isn’t __________. It’s _________,
--Mother’s Day is coming. Why don’t you get your mother a pair of glasses? --_______.Glasses can help her read better.
--Alice, could you help me _______ the map of the world? We don’t need it. --With pleasure.
--_______ do you go to the movie with your mother? -- I seldom do that.
--_________ useful invention the computer is. --Yes, It helps us a lot.
-- Be careful, _______ you will make mistakes in your exams. --I know that, Mrs. White. One can never be too careful.