Read these sentences and fill in the gaps with the correct form in the Future Perfect Continuous.
Example She
this subject for twelve months when she starts her project. (study)
Answer will have been studying.
1. He
, so the kitchen will be warm. (cook)
2. I
in this company for twenty years when I retire. (work)
3. He ___
for three hours before his coach enters the room. (train)
2)had worked
3)had trained