---Pity you missed the lecture on nuclear pollution.---I ______ it, but I was busy preparing for a job interview.
It doesn’t matter to me _____I miss my train, because there’s another one later.
___we admit that there are still some problems about NMET, we don't mean that it is of no use.
—I thought you wouldn’t mind.—Well, as a matter of fact I _____; but you should have asked me first.
The newcomer is from Tibet, ________ I can tell from his appearance.
The time is not far away______modern communications will become widespread in China’s vast countryside.