__________ to his scientific work, he has no time to care for his family affairs, which his wife always complains about.
.He simply repeated this year's work. He's the sort of boy who _____ to anyone whatever failures he'a had in whatever he does.
---May I speak to your manager Mr.Willians at five o'clock tonight?" ---"I'm sorry, Mr.Williams _______ to a conference before then."
The teaching building of our school_____ for many times.
We saw a film yesterday afternoon , _____we had supper in a nearby restaurant.
There comes a time in every man's life_____.