Future perfect progressive

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

• has been travelling
  

• will have been travelling
  

• will has been travelling

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

• playing
  

• played
  

• play

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

• have been worked
  

• have to work
  

• have been working

It's a 24-hour relay. They'll only have been ________ for half the time by 6pm.

We ________ been waiting long.

I ________ working for two years.

• willn't have been
  

• won't have been
  

• not have been

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

• have been
  

• had been
  

• has been

The teachers will ________ for a month by the time the deal is made.

• have been striking
  

• will strike
  

• will be striking

The films run all night. We ________ movies for six hours by the time the feature comes on.

• watched
  

• will have been watching
  

• will watch

She'll still be groggy. She ________ undergoing surgery for three hours.