my grandparents live in__old house in Shanghai A. a B. an C. some D.any

问题描述:

my grandparents live in__old house in Shanghai A. a B. an C. some D.any

B an
old 是以元音开头的单词,和 an 连用.
意思是:我爷爷奶奶住在上海的一所老房子里.