Must l hard in this paper one ho

Must l hard in this paper one ho 英语翻译This paper explores the challenges of risk analysis in l This must be so hard for you gridfication是什么意思 This paper analyzes these reasons of hard 英语翻译It began with one red paper clip(回形针)and ended with a ho -Must he come to sign this paper himself? this one must have been in the possession of a private colle this one must have been in the possesion of a private collec We must study hard,and___,we must believe in ourselves something must fit in this I must finish this work_____________(one). 这句英语对吗：this paper only proposed one case?