Future perfect continuous. Write the short answers.

1. Will they have been doing homework for 30 minutes when the game starts? (-)

2. Will they have been waiting long when you open the store? (+)

3. Will she have been exercising for an hour when you join her? (-)

4. Will you have been rehearsing for an hour when they close the theater? (-)

5. Will she have been working for an hour when I get there? (+)

6. Will he have been studying for 5 years when he graduates? (+)