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题目内容
（国家开放大学-开放英语4）
She.s ____ cancer (癌症) for two years.
选择一项：
a.
suffered
b.
suffering
c.
been suffering from
d.
suffering from
选择一项：
a.
suffered
b.
suffering
c.
been suffering from
d.
suffering from
参考答案
