40. can 能 could -

41. cast 铸造 cast cast

42. catch 抓住 caught caught

43. chide 责骂 chid, chided chid, chidden, chided

44. choose 选择 chose chosen

45. cleave: 分裂cleaved, cleft, clove cleaved, cleft

46. 打通clave cloven

47. cling 粘附 clung clung

48. clothe 穿衣 clothed, clad clothed, clad

49. come 来 came come

50. cost 价值 cost cost

51. creep 爬行 crept crept

52. crow 报晓 crowed, crew crowed

53. cut 切 cut cut