15. Astronomers studying the newly discovered star say that it provides clues about our galaxy's origin, that it may supply data about how fast our galaxy is expanding, and moreover it is perhaps the most distant star in the entire Milky Way.
(A) about how fast our galaxy is expanding, and moreover it is perhaps
(B) regarding the speed our galaxy expands at; moreover, they think it may be
(C) about how fast our galaxy expands and perhaps be
(D) on the galaxy's expansion rate and perhaps
(E) about how fast our galaxy is expanding, and that it is perhaps
16. The decisions of John Marshall, the fourth chief justice, have had a greater influence than any chief justice in history.
(A) than any chief justice in history
(B) historically than any other chief justice
(C) than have those of any chief justice in history
(D) in history as any other chief justice has had
(E) than those of any other chief justice in history
17. Most North Carolina ski resorts broadcast music onto the slopes; skiers can choose among hard rock, soft pop, and "beautiful music" slopes, there are no slopes without music.
(A) skiers can choose among hard rock, soft pop, and "beautiful music" slopes, there are
(B) because skiers can choose hard rock, soft pop, or "beautiful music," there are
(C) however, skiers can choose among hard rock, soft pop, "beautiful music," and
(D) although skiers can choose among hard rock, soft pop, and "beautiful music" slopes, there are
(E) skiers can choose among hard rock, soft pop, "beautiful music" slopes, but
18. The owner of Steele's Grocery in Osage, Ohio, saved $600 monthly on heat during the winter by putting all his refrigerator air compressors together in an insulated compartment, then installing two fans and a duct that carried waste heat from the compressors into the main part of the store.
(A) then installing two fans and a duct that carried
(B) then he installing two fans and a duct that carried
(C) then two fans were installed with a duct that carried
(D) installing two fans, and then carrying through a duct
(E) installing two fans, and a duct carrying
19. Aviation officials have not only failed to determine the cause of the crash, but they have also ignored demands by the pilots union that the investigation should be expedited.
(A) crash, but they have also ignored demands by the pilots union that the investigation should be expedited
(B) crash but also ignored demands by the pilots union that the investigation be expedited
(C) crash but have ignored demands for expediting the investigation by the pilots' union
(D) crash, but they are also ignoring the pilots' union's demands to expedite the investigation
(E) crash: the demands by the pilots' union that the investigation should be expedited have also been ignored
20. Wynton and Branford Marsalis, brothers who have fused the complex rhythms of contemporary jazz with the rollicking musical legacy of their hometown, are fitting symbols of the New Orleans jazz revival.
(A) Wynton and Branford Marsalis, brothers who have fused the complex rhythms of contemporary jazz with the rollicking musical legacy of their hometown, are fitting symbols of the New Orleans jazz revival.
(B) Wynton and Branford Marsalis are brothers, have fused the complex rhythms of contemporary jazz with the rollicking musical legacy of their hometown, and are fitting symbols of the New Orleans jazz revival.
(C) The Marsalis brothers, Wynton and Branford, have fused the complex
rhythms of contemporary jazz with the rollicking musical legacy of their hometown, which is a fitting symbol of the New Orleans jazz revival.
(D) Fusing the rhythms of contemporary jazz, which are complex, with the rollicking musical legacy of their hometown, Wynton and Branford Marsalis are a fitting symbol of the New Orleans jazz revival.
(E) A fitting symbol of the New Orleans jazz revival are brothers Wynton and Branford Marsalis, who fuse the complex rhythms of contemporary jazz with the rollicking musical legacy of their hometown.
