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题目内容
（国家开放大学-开放英语4）
It seems ____ that no one saw this crisis.
选择一项：
a.
incredible
b.
uncredible
c.
incredable
d.
uncredable
选择一项：
a.
incredible
b.
uncredible
c.
incredable
d.
uncredable
参考答案