None of the shoes in the shops are the right size. They are _____ too big _____ too small.

We’re fully_______ that we’ll solve all problems and finish our task in time

15A group of children ______ around the old man, listening to him telling the story and they ______ when it came to something really exciting

The problem is difficult students can solve（解答）it.

The 15:30 train to Sheffield has been called off _______ situations beyond our control.