1 .thank sb. for sth. /doing sth. 因某事而感激某人
2. be grateful to sb. for sth. 因某事而感激某人
3. show/express/extend/convey my sincere thanks/gratitude to sb. for sth. 向某人表达我诚挚的谢意
4.in trouble 陷入困境
5. make great／good progress 取得很大的进步
6.in/during/over the past/last four years 过去四年
7. be admitted to/into a university 被一所大学录取
8.say thanks to you for helping me 谢谢你帮助我
9. How time flies! 时间过得真快！
10．As time goes on/goes by/with time going on/going by 随着时间的推移
11. thanks to/owing to/because of your help 多亏了你的帮助
12.enjoy myself 玩得高兴
13.pay a visit to. 去参观，拜访
