34. A. of B. to C. with D. for
33. A. up B. out C. for D. into
32. A. they B. in which C. that D. those
31. A. so B. for C. thus D. but
30. A. with B. by C. of D. about
29. A. most B. nothing C. little D. sight
28. A. main B. safe C. easy D. impossible
27. A. powerful B. natural C. special D. common
26. A. attending B. finishing C. starting D. stepping into
25. A. writing B. studying C. settling D. uncovering