题目内容：
I heard him utter a （）before the microphone was shut off.
A.curtain
B.curb
C.curse
D.blessing
参考答案：【答案仅供学习，请勿对照自行用药等】
选择题：I heard him utter a （）before the microphone was shut off.
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- 题目类型：选择题
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