问题
单项选择题
After two（）delay, our train arrived at last.
A.hours frustrating
B.hours frustrated
C.hours’ frustrating
D.hours’f rustrated
答案
参考答案：C
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After two（）delay, our train arrived at last.
A.hours frustrating
B.hours frustrated
C.hours’ frustrating
D.hours’f rustrated
参考答案：C