短文改错 During the summer holiday, I think I should do something 61.______ 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.______ (61)