—Henry has been teaching English in Beijing university for many years.—It’s no __________ he can speak Chinese so well and idiomatically.
—What has made him upset recently? —____alone to face a troublesome milk case.
—Another cup of coffee? That’s your third since lunch. —Yeah, well, I ____ all night preparing for my history exam. I can hardly keep my eyes open.
—What’s up? You look down. —I have piles of papers ____, but I type so slowly.
We must apply what we have learned to our daily work because in no case ____ from practice.
—Why do you look so worried? —My computer broke down and my essay ____ unfinished since.