The toughest thing about success is _______ you have to keep on being a success.

Will you read me a story, Mummy? — OK. You _____ have one if you go to bed as soon as possible. [ ]

Over time my memory has developed much that, like an elephant, I never forget anything I have been told

The room is too dirty. It is hard _______.

As these new products are not selling well, the members of the board have decided to _________production.