Раскройте скобки поставьте глагол в past perfect continuous.
1. Sally ___________ (type) this text for 3 hours before Mark came.
2. Anthony _________ (wait) for his airplane for 3 hours when its delay was announced.
3. I saw many huge puddles. ______ it_______ (rain) hard?
4. Sam did not even realize what a hard time Molly ______ (have).
5. Rita _______ (train) for a year and she was very fit when her ex-boyfriend met her.