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题目内容
（国家开放大学英语语法）
_______ she is not so healthy _______ she used to be?
A. It was why; that’s what
B. Is it why that; as
C. Why is it that; as
D. Why it is that; that
A. It was why; that’s what
B. Is it why that; as
C. Why is it that; as
D. Why it is that; that
参考答案
