Ⅱ. 单项选择（3分钟，5分）
1. It’s _____ apple. It isn’t _____melon.
A. a; an B. a; a C. an; a D. an; an
2. There aren’t any _____ on the table.
A. apples B. beef C. chicken D. meat
3. —Have we got _____ eggs?
—No, we haven’t got_____ .
A. some; some B. any; any C. some; any D. any; some
