In order to learn the _______ of the family business, Bill took a job as messenger boy in one of the offices.
---Tom, what a pity. I almost succeeded yesterday.---I told you to be careful before. ___________
The young member made several proposals, none of __________ considered practical or acceptable.
—Well, did you miss the early train?—Yes, but had I hurried, I _______.
Cars do cause us some health problems—in fact far more serious ________ than mobile phones do.
---The mountain village is so beautiful.---Yes. Moreover, ______the villagers live, there is fresh air.