Digital cameras are becoming very popular,though some still _____ too much.

Often he________sit for hours doing nothing at all when he was in low spirits.[ ]

The headmaster was______ as to how to inform her ofthe news that her daughter failed to pass the exam again

Hi, Jane! I have ____ to tell you.

12．We will be shown around the city：schools，museums，and some other places，other visitors seldom go．