For questions 26 - 30 choose the best alternative A or B.
26. Colin intended to do a lot of walking in Wales, so he packed some sensible (A)/sensitive (B) outdoor clothes.
27. She was a very conscious (A)/conscientious (B) student and attended all her lectures.
28. Can you say (A)/tell (B) the difference between these two photographs?
29. Scientists are investigating the ways in which the oceans affect (A)/effect (B) the climate.
30. Every year he was supposed to go to Tokyo, and every year he could think of excuses for not making the journey (A)/travel (B).