many years since I saw you last, I__________ you at all.－I wouldn’t have, either, if someone__________ you by the name.

Suffering from depression, he often his sorrows in drink.

Is it only when you fail _________ you will be aware of your mistakes?

Experts are trying to work out a plan to deal with the problems caused by global warming ______ it is too late

Hi, MaryIt never entered my head that you’d comeWhat a surprise!—I’m on a business trip in the city and I ______ in on you