I’m sorry to have hurt you, but I didn’t do it________.
---How was the weather then? ---Hardly _____ off the plane when it started to rain.
It is a slow process to _______ a good knowledge of English.
All of us burst into laughter _____ we saw Mr. Bean’s funny appearance.
The boy is seriously injured. So he is supposed _________ to hospital as soon as possible.
So difficult did he find _______ to pass the driving test that he decided to give up.