29．How you feel about life and anything________depends on where you focus your attention

________nice weather it is! Let’s go out for a walk, shall we?

Last term our maths teacher set so difficult an examination problem _____ none of us worked out.

I did not give offence to you ___________.—Forget it. Let’s make up.

Let’s play ____ drums.—Better not, it’s too noisy. Why don’t we play _____ chess.