... their and we inanswer a, to your and one in answer b, and to our and they in answer d.290. a. This choice is clear, has no misplaced modifiers, and has no shifts in verb tense. Choicesb and ... Choices b and d are more vague and general, and choice c is written in aslightly different, more upbeat style.SET 23 (Page 65)312. a. Choice a expands on the topic sentence. Choices b and c do ... aboutage, weight, and general health.For more material and information, please visit Tai Lieu Du Hoc at www.tailieuduhoc.orgPage 137 301. d. "Changing the course of history" and nations...