--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 |
Howbeautifullyshesings!Ihaveneverheard_______voice.
| A．thebest | B．abest |
| C．thebetter | D．abetter |