来自李建兵的问题
Hebecome_____universitystudentat_____earlyage,becausehewasveryclever.A.An,aB.an,anC.a,aD.a,a
Hebecome_____universitystudentat_____earlyage,becausehewasveryclever.A.An,aB.an,an
C.a,aD.a,a


Hebecome_____universitystudentat_____earlyage,becausehewasveryclever.A.An,aB.an,anC.a,aD.a,a
Hebecome_____universitystudentat_____earlyage,becausehewasveryclever.A.An,aB.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