Выбрать правильную форму глагола-сказуемого:
1) It was raining /rained hard this morning when I was waking/ woke up.
2) I was writing/ wrote a letter to my Italian Penfriend last night.
3) He was completely out of breath as he ran/had run all the way to the station.
4) The children were in high spirits as they just finished/had just finished their exams.