Did you know any Chinese before you arrived in Beijing?—Never ________ it, actually．

did the youngman come to your company for —He wanted ajob, ____ he had never experienced before

Our team tried our best, we failed the match at last.

I don’t think ________is possible for us to get a taxi at this time of day.

The snowstorm sweeping across California delayed my flight, otherwise I _____ in Hawaii sunbathing on the beach now.