—What’s that? —_____ is an eraser.
--- Would you mind closing the door? It’s really too cold. --- _________________.
_____he is only 8 years old,he knows more about science than his father.
The number of tigers in Asia________ getting smaller and smaller and a large number of people_________ trying to protect them.
_________happily the children are flying kites!
—How long have you ____ the motorbike? —For about two weeks.