问题
选择题
As teachers we should concern with what is said, not what we think .
A．have to be said
B．must say
C．ought to be said
D．need to say
答案
答案：C
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As teachers we should concern with what is said, not what we think .
A．have to be said
B．must say
C．ought to be said
D．need to say
答案：C