—________ you play the piano for us?—Sorry, I can't play the piano, but I can sing for you.
__________ hours do you do your homework every day? Three hours every day.
_________Tom is not at home. He __________in the library.
Mr. Black is ___________to carry __________.
This man has _________ friends because he is not friendly.
Who taught them to ride bicycles? __________ They taught __________.