Помогите пожалуйста с заданием номер 3. Очень надо. Плиз

You have received a letter from your English - speaking pen friends Helen. It's a pity that we haven't met in London! We went on holiday in Spain with my parents. Anyway how was your trip? What interesting places did you see? Did you go shopping? Hope to meet with you next time.

1) I went into the church with a lot of other little girls and sat in the corner.
2) Every Sunday he went to church.
Задание: Нужно объяснить написание артикля the перед словом church. Почему в первом случае артикль есть, а во втором нет? Помогите пожалуйста, заранее благодарна.

1.My sister is a pupil.
2.Our cat is very fat.
3.Where are your friends now?
4.is your mother's job interesting?
5.My friend Peter and I go in for sport.
6.What does your dog like?
7. Their flat is ls large and comfortable.
8.His perents like travelling.
9.Her grandfather is a pensioner.
10.Paul's sister is very beautiful.

Помогите пожалуйста!!!Времени совсем нет.Буду очень благодарна!:)