单项填空
在每小题的四个选项中, 选出可以填入空白处的最佳答案, 并将其字母编号填写在题前括号内。
--There’s ______ umbrella on the desk. Is it yours?
-- Yes, My mum bought _____ umbrella for me yesterday.
A. an; the B. a; the C. the; the D. an; an
A
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