English: Future Perfect Passive exercises

Fill in the Future Perfect Passive form.

By this evening...
They will have caught the thieves. (Future Perfect Active)
The thieves . (Passive)
He will have played a lot of computer games. (Future Perfect Active)
A lot of . (Passive)
They will have written the story. (Future Perfect Active)
The . (Passive)
They will have returned the mobile. (Future Perfect Active)
. (Passive)
He will have bought a new laptop. (Future Perfect Active)
. (Passive)