It is ______ to spend money in preventing illnesses by promoting healthy living rather than spending it trying to make people ______ after they are ill.

—Has the design of the city square been decided?—No, it’s still ______ to suggestions.

I'm interested in a one-bed room． Do you have any _____?

At first I set out for the celebration with my friends together, but got _______ from them when we joined the big crowd. 

We should always keep in mind that ______ decisions often lead to bitter regrets.