61 for
62 was born
63 which
64 powerful
65 sharply
66 sufferring
67 to win
68 an
69 discoveries
70 has spent
改错
第一行 favor前加a, was-am
第二行 student-students, inviting-invited
第四行 去掉because
第五行 but-and, embarrassing-embarrassed
第六行 kindly-kind, what-how, 去掉about
第七行 you-I