43. A.to say B.said C.and saying D.saying
42. A.digging B.digging through C.digging out D.digging into
41. A.picture B.promise C.present D.encourage
40. A.fill B.fill in C.come D.burst
39. A.what B.what happen C.which D.who
38. A.memorized B.forgot C.kept D.remembered
37. A.as flat as a pancake B.as high as a mountain
C.as strong as an ox D.as weak as a kitten
36. A.only discovering B.only to discover
C.only realizing D.only to realize
54.C cost表示“某物花费多少钱”,有“等价交换”之意。