1 . Hardly had the boy turned over the stone _____ he saw the little creature he never met before.（用适当的词填空）

2 . The director was fully convinced that this moving story, if _______(adapt) for television, would be a hit. （所给单词适当形式填空）

3 . I have been pursuing what I want all these years, and so far all hard work ________(pay) off.（所给单词适当形式填空）

4 . 13. Our bad living habits will destroy the earth. Only by changing ________we live can we save the earth.

A．that	B．what
C．how	D．where