— I don’t remember having ever seen John since last week. Has he gone somewhere?— Not really. He_______ his newly-bought apartment.
---- Sorry, I can't find the books you asked for. ---- __________.
The reason _________ the little actress has been such a success is ________ she is both clever and hardworking.
I have no idea _______ we can do with these waste materials.
FBI stands _________ Federal Bureau of Investigation.
His work _________ have been completed; otherwise, he wouldn't be enjoying himself on the beach.