There are two _______ under the table.
--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?
How beautifully she sings! I have never heard _______ voice.