Only then______ have a chance _____ an astronaut.
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.
-I can't stop smoking, doctor. -For your health, I'm afraid you_______.