Краткое пояснение: Находим и исправляем ошибку в каждом предложении.
- She is more taller than her sister. → She is taller than her sister.
- We was at the cinema yesterday. → We were at the cinema yesterday.
- While I studied, my brother was playing. → While I was studying, my brother was playing.
- This is the most happiest day of my life! → This is the happiest day of my life!
- He didn't went to school last Monday. → He didn't go to school last Monday.
Ответ: 1) taller, 2) were, 3) was studying, 4) happiest, 5) didn't go