—When did you get to know the professor over there? —It was at the work shop we did reserch to gether two years ago.
You are telling me I’m lazy. Look what a mess your room is!
Professor Li and his wife are now at work on a novelnext year.
The couple walked together as far as the second crossing of the streetthey waved goodbye to each other.
I had been puzzled over the problem for over an hour without any result, all at once a solution flashed across my mind.
—So hardin the past few years that he has made great progress in English. —I can see that, only a few mistakesin this exam.