- Whose desk is it?- I'm not quite sure. Maybe it is_______.
I stopped laughing when I realized my father was_______ about it.
It was a hard time for him. He tried his best to keep his head in a calm_______.
Mary is tired of learning because she is_______ to do better than she, both at school and at home.
- How nice the fish_______!- I am glad you enjoy it. Do you know it_______ by me?
-Where is Jim?-He_______ the teachers' office.