What will the computer ______ in the future?
--Where are the ______ students?--They are playing football with ______ students from Hilltop School.
--Is Tom still in New York or already back at home?--I’m not sure ________. I’ll call to make sure.
Everyone may feel time ______very quickly when they do something interesting.
--Driving less, walking more is good for our health.--So I'd rather ______an hour's walk to work than consider ______a car.
There is _______ egg at home. Will you please get _______ for me, please?