—Must we keep the window _______ all the time?—No, you don’t have to.
Miss Gao asked a question,but it was ___________that nobody could answer it.
John called me as soon as he _______ my package.
--Could you tell me______? --Maybe in a week. I’m not quite sure.
--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.