С: 3 1. the artist was by the of spanish who had played their parts great/influence/forget/perform/act/brilliant 2. sometimes the morning mail may be delayd on the night train deliver/depend/arrive 3. this new proved to be and absolutely so i'll need your nursery/ignore/help/obvious/assist заранее большое ♡

1)The artist was acting brilliantly by the great influence of the Spanish performers who had played their parts unforgettably
2)Sometimes the morning mail delivery may be delayed depending on the night train arrival 
3)This new nurse proved to be helpless and absolutely ignorable, so I'll obviously need your assistance

Однако не простое задание, не уверен в 100% верности решения но как то так