单项选择，从每小题所给的A、B、C、D四个选项中选出可以填入空白处的最佳答案。
—Look! There is a monkey eating ________ apple in the tree.
—En, ________ monkey is very cute.
A. a; a B. a; the C. an; an D. an; the
单项选择，从每小题所给的A、B、C、D四个选项中选出可以填入空白处的最佳答案。
—Look! There is a monkey eating ________ apple in the tree.
—En, ________ monkey is very cute.
A. a; a B. a; the C. an; an D. an; the
D