Why I want to study abroad to New Zealand

My school has homestay program in next summer.
So I want to join it, but, I have to hand the application in to teacher.

I'm going to write it, plesase check it.(*´ω｀*)

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I joined homestay last summer, but I couldn't express my feelings well. I can't couldn't tell my host family and their friends how I had great times there. I thought "I should have learn (learnt/learned) more English more and I have to learn English more and more from now on." And I desided to take part in homestay again if I get another chance to go. I think this time is the chance for me.

I have some friends from other countries who study Japanese online from the other country through online.(Italki is the best place to meet language partner/friends!) They aren't only from English-speaking countries but also all over the would world. I talk to some of them with voice chat twice in a week. They sometimes ask me difficult questions about Japanese such as: "Why do some Japanese restaurants have raccoon dolls?"; "How different What is the difference between 'wa' and 'ga'?" etc..
They're too difficuit for me to ansewer. So I want to explain all of them when I return to Japan from my homestay.

These are reasons why I want to join the homestay program in New Zealand.

Thank you.

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Thank for reanding!!(●´ω｀●)