this is ——usual shirt ,but this is—— unusual shirt A an ,a B a,a C an,an D a,an
问题描述:
this is ——usual shirt ,but this is—— unusual shirt A an ,a B a,a C an,an D a,an
答
D
this is ——usual shirt ,but this is—— unusual shirt A an ,a B a,a C an,an D a,an
D