问题
选择题
I have studied very hard. But I still didn't get a good grade. It's really ______. [ ]
A. original
B. frustrated
C. frustrating
D. amazing
答案
答案：C
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I have studied very hard. But I still didn't get a good grade. It's really ______. [ ]
A. original
B. frustrated
C. frustrating
D. amazing
答案：C