I’m definitely going to settle in the countryside when I retire. All the words have a similar meaning with the underlined word, Except ______.

____ to the surprise of the teachers, the naughty boy turned out to be the person who saved the dying girl. 

The train stopped ______ at lonely little stations, which resulted in a sleepless night.

-----How do you find your visitor to the museum ?-----I thoroughly enjoyed it, it was ______ than I expected.

There is ____ nothing interesting in his speech.