47.Hepaid_____hisdebtafter10yearsofhardwork.-

48.Thesemethodswouldnotbeenoughinthelong______.-

49.Whathedidwasvery______,forhemighthavehurtsomebody.-

50.Ifyoudon’tmakeyourchoiceintime,you______fallbetweentwostools.-

51.WhenMrs.Smithfoundtherewasnomeatinthehouse,she____________.

52.Thebutchergavethedogsomemeatthenextday,becausehe___________.

53.Thewriterofthispassagesuggeststhatthebutcherwasfooledbecause_____.

54.Intotal,howmuchmeatdidthedoggetfromthebutcher?

55.Itcanbelearnedfromthepassagethatthedogwas________________.

56.Whichstatementistrueaccordingtothepassage?

57.Whydidthewritertaketweetingasanexample?

58.Whatwasthemeaningoflivingonlineinthepast?

59.Whatdoestheauthorimplyinthepassage?

60.Willwordslike“LOLcat”beacceptedasastandardformofEnglish,accordingtoProfessorCrystal?

某大学生因期末考试作弊被学校勒令退学，学生不服以大学为被告向人民法院起诉，该争议之法律关系性质如何？______