来自郭宁的问题
heistheonlyoneofthestudentwho__awinnerofscholarshipforthreeyearsa:isb:arec:havebeend:hasbeen
heistheonlyoneofthestudentwho__awinnerofscholarshipforthreeyears
a:isb:arec:havebeend:hasbeen


heistheonlyoneofthestudentwho__awinnerofscholarshipforthreeyearsa:isb:arec:havebeend:hasbeen
heistheonlyoneofthestudentwho__awinnerofscholarshipforthreeyears
a:isb:arec:havebeend:hasbeen
Dhasbeen.主语是单数he而且后面跟的是winner而不是winners,所以要用hasbeen,而不是havebeen.