—The room is so dirty.________ we clean it?—Of course.
30. the people have become masters of their own country that science can really serve the people.
29.--- How about the book you are reading? --- Good indeed. It many problems we have come across in our study.
28. a room in the hotel, Mr. Wood went out for a walk around the small town.
27.Sales of CDs have greatly increased since the early 1990s, when people to enjoy the advantages of this new technology.
26.I accept that he is not perfect, I do actually like the person.