—David, can you tell me where I will _______ a good second-hand bike at a low price?—You should turn to George, for he is a well-informed man.
There are 2000 boys in this school,and _________them like playing football.
About _________men and women are in the square.
________ people were hurt in the accident.
The cotton production has increased by_________percent this year compared with last year.
This is a _________building,which is about_________high.