They were surprised that a child should work out the problem____ they themselves could not.
This dictionary is very useful. It has ___ many problems about works and idioms for me.
It's foolish to go to the ___ of taking music lessons if you never practise.
He is delighted to have ___ the examination.
I wasn’t ___ the decision until too late.
It only ___ for me to pass all the money that she had to the right person.