"_________do you play the piano?" "Twice a week. "A. How far B. How often C. How long
They found _______very hard to move the stone.
There will be a _______bridge over the river.
----He always makes a lot of noise. -------You’d better _______a quiet place_______.
The workers were made ________for ten hours a day.
Would you please tell me________to deal with all the problems, Mr Feng?