Question

Help me everybody just answers easy question but no one answers mine

Answer 1

The sentence "We were supposed to go to the amusement park today" indicates the main idea of this diary entry, as the whole entry describes his day at the amusement park.
Hope it helps!

Answer 2

See. The points marked in the pic 're correct as it shows that we 're writing diary just because writing diary means the person is sharing his/ her whole day moment which he/ she did. As we became very formal while writing diary.

Hope it helps...