Select the sentence that uses formal writing to convey the message.
I regret to inform you that I will not be present at the occasion.
Sorry I can't be there. I was definitely looking forward to this!
Unfortunately, I will be busy then, but I hope we can get together later.
RSVP: not coming.

Question

Select the sentence that uses formal writing to convey the message.
 I regret to inform you that I will not be present at the occasion.  
Sorry I can't be there. I was definitely looking forward to this! 
Unfortunately, I will be busy then, but I hope we can get together later.  
RSVP: not coming.

anonymous · Answer

The first sentence for sure! It's very formal!

anonymous · Answer

All the others are just everyday words we use to talk normally.

anonymous · Answer

thank you