He become _____ university student at _____ early age,because he was very clever.A .An,a B.an,an

问题描述:

He become _____ university student at _____ early age,because he was very clever.A .An,a B.an,an
C.a,aD.a,a

第一个空填 a
第二个空填an
楼主你的CD选项是重复的