25. Only when I lost the opportunity to take my first job ____ how important it was to me. A. I realized B. I had realized C, had I realized D . did I realize
When and where to build the new factory ____yet.
Not only Tom but also his wife ____fond of watching television.
It ____I who _____leaving for London.
Mr Smith, together with his children, ____arrived.
About 20 percent of the work ____done yesterday.