29．--- How about the book you are reading?
--- Good indeed. It many problems we have come across in our study.
| A．says | B．talks | C．covers | D．refers |
28． a room in the hotel, Mr. Wood went out for a walk around the small town.
| A．Taking | B．Taken | C．To take | D．Having taken |
27．Sales of CDs have greatly increased since the early 1990s, when people to enjoy the advantages of this new technology.
| A．begin | B．began | C．have begun | D．had begun |
26．I accept that he is not perfect, I do actually like the person.
| A．while | B．since | C．before | D．unless |
25．Why didn’t you tell me there was no meeting today? I all the way here the heavy snow.
| A．needn’t have driven; through | B．can’t have driven; across |
| C．mustn’t have driven; through | D．shouldn’t have driven; cross |