最佳解答: I don't know _______with such ill luck.
版主, 是誰告訴您答案是why we have plagued的?
我向您保證, 答案是why we have been plagued才對, 因為plague是及物動詞.
如果用have plagued with就是不及物動詞用法, 語意上也不通.
Someone/Something has plagued us with such ill luck.
I don't know why we have been plagued with suchg ill luck.