Types 1

Read the following opening paragraphs. Determine to which kind of letter they belong; invited, uninvited or referral. Can you make any suggestions for improvement?

I felt nothing but excitement when Fred Dunston told me that you had an opening for a delivery person. For years I have wanted to work for Mega Pizza...

Referral

Improvement: Instead of simply mentioning a name, it's better to briefly identify the person you are referring to.

"When Fred Dunston, your Central London area manager, told me..."

I have always liked motorcycles, but when I tried a Triumph four years ago, I was in love. Since then, my passion for the brand has increased continually. Now, I want nothing more than to become involved in it. To become part of the Triumph team...

Uninvited

Instead of keeping a distance with words like "the brand" and "it", it might be better to use "your brand" and "your company". This way the letter becomes more audience-oriented.

A keen traveller, I have always preferred your company for long-distance flight. When I noticed that the quality and style of your vacancy reflected the care you give to your passengers, I decided to apply for your opening...

Invited

You should keep the letter as active as possible. If possible, use simple present instead of present perfect, simple past or other past tenses.