I was so (a)   when I let the pedestrian pass and they didn't acknowledge me or say 'thank you'.

It is certainly not (a)   to wear beat up tennis shoes to a formal engagement.

It is important to show that we (a)   the good deeds of others by saying 'thank you' to them.

When you give someone a gift for doing you a favour, it is a sign of (a)   .

It was really (a)   of that young man to help the old lady to cross the road.

When Jason helped himself to all that pizza, he wasn't being very (a)   . He could have shared it with us!

In Brazil, that is a very offensive hand (a)   , but in Russia it just means that everything is okay.

These days, young people don't always greet older people, which is (a)   .

Those boots are (a)   for hiking but they aren't for working out in the gym.

The art critic (a)   the work of great masters like Vermeer, Renoir, and El Greco.

In a game of football, you should never (a)   the referee by using foul and abusive language