Translation of Ausführende

I have considered the option to bring my friends from other social networks and invite them to join here. They can develop better language skills here. I'd love to pursue that goal, but I want to write in English.
Please explain me the exact differences between British and American .... This year I'm trying to make the TOEFL. We can then discuss how we can prepare for this exam. I failed the first time.
Right now the weather in Italy is very good. We have 25 degrees and the sun is not too hot. I'm going to swim with my brother, the sea is not far away. Wish you also a happy holiday.