Although he is over 65, Mr Smith has never been tired. He’s a man full of ___.

For the sake of her daughter’s health, she decided to move to a warm ______.

Scientist are not sure about the ___________ of water on the Mars.

—Would you like something to drink, girls? —Yes, _______, please. 

---Mary was being badly treated when John happened to pass by and helped her out ---I think it was not a pure______but had been well planned.