We _________ (sleep) for 12 hours when he woke us up.
They ___________ (wait) at the station for 90 minutes when the train finally arrived.
We ____________ (look) for her ring for two hours and then we found it in the bathroom.
I ________ (not / walk) for a long time, when it suddenly began to rain.
How long ___________ (learn / she) English before she went to London?
Frank Sinatra caught the flu because he _________ (sing) in the rain too long.
My dad ________ smoking in the garage.
They were very tired in the evening because they ________ (help) on the farm all day.
I ____________ (not / work) all day; so I wasn't tired and went to the disco at night.
They ________ (cycle) all day so their legs were sore in the evening.