Perfect Progressive

They have .....................................skipping for 2 minutes.

We..................... for you since 1 PM.

He...........................  for 2 years about his trip to Australia.

She .................. for two hours.

She was very tired. She _____ (type) letters all day long.

Jenny was annoyed. Jim _______ (call) her every night for the whole week!

She ________ (teach) chemistry before she became a journalist.

I ___________ (wait) for her for hours before she came.

My mom ________ for two days by the time I see her.

They'll be exhausted by dinner. They will have been _____ hockey for seven hours.

Will you ________ here for ten years by the time of the Christmas party?

Won't they ________ travelling for two weeks by then?