把下面这句话翻译成英语（要人工翻译，不要用软件）

I‘m afraid that i will have to attend a very significant / important activity on the day of your wedding ceremony. sorry about it.
I'm afraid that i will not be able to show up on your wedding ceremony, for i have a very significant / important activity to take. sorry about it.

Very sorry ( on your wedding day ), I shall have to attend a very important activity, probably did not have time to attend your wedding.

I'm so sorry that I have to go to a very important activity on your weeding day, I'm afraid I can not attend your weeding.

I am sorry that i can not attend you wedding becase I will take part in an important activity!!
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