They are talking so warmly and it looks ___ they had been old friends.
We are flying at _____ altitude of 6,000 meters and perhaps we will get there at _____ midnight.
---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.