For or since

It has been raining ______the early morning.

Tom has been working here _____ 2019.

Emily has been working here ____ 10 years.

I'm very excited. I have been waiting for this movie ____ several months.

My mom has been cooking dinner ___ two hours.

My Mom has been baking this cake ____ morning.

It has been snowing ____ three hours.

It has been snowing ______ last evening.

I have been working ___a long time.

He has been looking throuhg the window ____ morning.

Bob has been washing the car ___ three hours.

We have been talking ____ he came to our house.