题目内容：
根据下列材料请回答题：During the summer holiday, I think I should do something61. __________
meaningful instead touring. So I got a job at a fast-food 62. __________
restaurant and worked there as cleaner. I worked 7 hours a day 63. __________
for three weeks. The job was hard and bored and seemed endless. 64. __________
It made me so tired that I nearly stopped it halfway. 65. __________
After all, I stuck to it with determinations. Every day I started 66. __________
off for work early in the morning and went to home late in the 67. __________
evening. Finally, I finished the job after the new school term 68. __________
began. Now, I understand that labor means. I think it is really 69. __________
a successful experience, which is worth remembering for ever.70. __________
请在（61）处填上最佳答案。
参考答案：
答案解析：