---This passage is difficult for me. Could you please explain it to me?---I’m afraid I have to say sorry, but the book is ________ my understanding.
___________ the little boy John they would all have died from the gas leakage.
According to the research, the higher the standard of living, the ___________.
We have got everything ready at once, with our guests _________ to come in ten minutes.
However much ___________, it will be worth it.
His success in his career was due to his determination __________ what seemed impossible.