We have a party ________.A. once a weekB. one a weekC. ones a week
--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.