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
27. The sale usually takes place outside the house, with the audience _____on benches, chairs or boxes.
26. - It's wrong for a student to follow _______his teachers say. - It's true. I can't agree ________.
25. Jack is making up his mind to get a ticket for the concert ____it means standing in a queue all night.
24.She will have to find some other work for she can't ________ this loud noise any more.
23.- Why weren’t you at the meeting? - I ________ for a long distance call from my sister in America.