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四川省武胜县2011级高三第一次大联考（英语）
21．Zach Howell, president of Tsinghua University ____ the same thing two years ago. But he says this year is "completely different."
A．should say B.must have said C.could have said D.might say
21．Zach Howell, president of Tsinghua University ____ the same thing two years ago. But he says this year is "completely different."
A．should say B.must have said C.could have said D.might say
