The headmaster has retired but no one knows who will __________ him in the post.
—Now that you like the personal computer very much, isn’t it a good idea to get one?—Well, I’d like to but I can’t afford ___ computer at present.
–Mum, I failed again in today’s examination. --Oh, ________. The world is not _______.
_____surprised me most was _____such a little boy of seven could play the violin so well.
Bobby ______ me your secret, but he meant no harm.
We must do whatever we can to____________the river being polluted any more.