--Is Tom still in New York or already back at home?
--I’m not sure ________. I’ll call to make sure.
A. how he will be back B. that he has come back
C. why he has come back D. if he has been back
Everyone may feel time ______very quickly when they do something interesting.
A. go by B. to go by
C. went by D. gone by
--Driving less, walking more is good for our health.
--So I'd rather ______an hour's walk to work than consider ______a car.
A. take, drive B. take, to drive
C. take, driving D. taking, driving
There is _______ egg at home. Will you please get _______ for me, please?
A. no, some B. not, some
C. not any, any D. not an, any
How beautifully she sings! I have never heard _______ voice.
A. the best B. a best
C. the better D. a better
--I haven’t seen Jack for three days, is he ill?
--_______. His mother told me that he was in hospital.
A. I am afraid so B. I hope not
C. I don’t expect D. I am afraid not
