14.Christie was one of my best friend at high school. (76)friend→friends
At that time,we often spend time together. (77)spend→spent
Thank to her help,I made great Progress in my (78)Thank→Thanks
study.Last year.she decided to study abroad.In (79)√
other words,we would be separated long time. (80)for后面加a
Before her leaving off,I prepared a gift to show (81)去掉off
my best wishes to him.She said it was the beat (82)him→her
Gift she has ever had.From then on,we've (83)has→had
kept touch with each other through e-mails.I (84)kept后面加in
look forward to see her again in the near future. (85)see→seeing.