помогите 4 а 4b 5 пожалуйста

4a
two years ago
last year
in June
in July
In August
Last week
three days ago
yesterday

4b
1.Last week I went to the concert of my favourite group. It was amazing! I have been there for 3 hours. Then I went home
2. Last year I had the best birthday in my life. Firstly, all my rellatives and best friends were with me!
3. In August there was a good weather, so every day i went walking for a walk with my friends
4. Yesterday i was in a zoo. There I saw elephants, camelopardalis and hipppopotamies

5
2.weren't
3.weren't
4. weren't
5. weren't
6. was