Sensible people don’t think it is_______ to buy things which are not needed even at a low price.

I prefer living in a city because I think it is           to live close to my work.

You can see the stars on a clear night, but in the daytime they are ____ .

I’m sure that your letter will get _____attention. They know you’re waiting for the reply. 

Many things that were once considered useful and _____, for example, tobacco, is now thought harmful.