题目内容
I still remember there used to be _______ underground cave. My friends and I often had fun in_______ 18-foot-deep cave.
A. an; the B. a; the
C. an; an D. a; an
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题目内容
I still remember there used to be _______ underground cave. My friends and I often had fun in_______ 18-foot-deep cave.
A. an; the B. a; the
C. an; an D. a; an