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题目内容
（河南科技大学大学英语3(专升本)）
As teachers we should concern ourselves with what is said, not what we think ______.
选项:
A:ought to be said
B:must say
C:have to be said
D:need to say
选项:
A:ought to be said
B:must say
C:have to be said
D:need to say
参考答案