Раскройте скобки поставьте глагол в past perfect continuous. 1. Sally ___________ (type) this text for 3 hours before

1. Sally had been typing this text for 3 hours before Mark came. 2. Anthony had been waiting for his airplane for 3 hours when its delay was announced. 3. I saw many huge puddles. Had it been raining hard? 4. Sam did not even realize what a hard time Molly had been having. 5. Rita had been training for a year and she was very fit when her ex-boyfriend met her. 6. Rachel’s husband had been fixing the car since early morning. 7. Paul and Molly had been talking on the phone for an hour when the line broke. 8. How long had you been watching TV before you decided to go to bed? 9. Steven felt tired as he had been sailing for several hours. 10. Zina had been trying to find her mother for years but she failed.