—Howdidyoudoinyouressay?  —Igot

问题详情：

— How did you do in your essay?

   — I got ______ okay grade, but Mr. Jones gave Sarah top marks. She’s ______ teacher’s pet, you know.

A. 不填; a            B. an; 不填           C. 不填; the       D. an; a

【回答】

D

知识点：冠词

题型：选择题