6． On _________． sunny afternoon，my parents and I had a good time on the beach．

题目：6． On _________． sunny afternoon，my parents and I had a good time on the beach．

A．the
B．an
C．a
D．/

喵查答案：C

6.C【解析】句意；在一个晴朗的下午，父母和我在沙滩上玩得很开心。此处没有说具体的哪一天，而且 sunny是以辅音音索开头。故选C。