Some youngsters know what to _______ at the university; they have made up their minds about future.
— What has happened to Tom ? — I don''t know . He ____ lost .
I thought you ____ like something to read , so I have brought you some books .
Don''t be worried . The news ____ be true .
Peter ____ come with us tonight , but he is not very sure yet .
I can''t find Jane anywhere in the office building . Where ____ she have gone ?