A.

You are a salesman. Introduce yourself and try to interest a customer in your product.

Good morning, sir/madam. I represent XX company and I think you really ought to see... I won't keep you a moment. Now, you see... This is much better than... because...

B.

Find a polite way of getting rid of a salesman whose wares don't interest you.

That's very interesting. But as a matter of fact we already have... so...

C.

Briefly explain why the product you are selling is better than its rivals or competitors.

This is a brand-new product. We've done a lot of research. It's much better than the average... because... This is a great advantage because...

D.

Persuade a friend that he would be wise to take out insurance on behalf of himself and his family.

You never know what might happen. Of course, I know you're in good health but... These days, when everyone travels so much... and you wouldn't like to think that.... and the children..., would you?

E.

Politely tell a friend that you don't like her dress without offending her.

Yes, of course it's quite nice but I'm not sure whether it suits you. Perhaps if you... I think these new fashions are all right for people who are... but with your figure, maybe something more... would have been better.