来自唐尚华的问题
【Heistheonlyoneofthestudentswho_________awinnerofscholarshipforthreeyears.A.isB.areC.havebeenD.hasbeen】
Heistheonlyoneofthestudentswho_________awinnerofscholarshipforthreeyears.
A.isB.areC.havebeenD.hasbeen

