2. Use the verbs in the Past Perfect Continuous.Sally ___________ (type) this text for th hours before Mark came.Anthony _________ (wait) for his airplane for 3 hours when its delay was announced.I saw many huge puddles. ______ it_______ (rain) hard?Sam did not even realize what a hard time Molly ______ (have).Rita _______ (train) for a year and she was very fit when her ex-boyfriend met her.Rachel’s husband _________ (fix) the car since early morning.Paul and Molly ___________ (talk) on the phone for an hour when the line broke.How long ____________ you_________ (watch) TV before you decided to go to bed?Steven felt tired as he __________ (sail) for several hours.Zina __________ (try) to find her mother for years but she failed.