As teachers we should concern ourselves with what is said, not what we think______.
A、
ought to be said
B、
must say
C、
have to be said
D、
need to say
【正确答案】
A
【答案解析】
解析：本题空格处是说不是我们认为应该说什么。句中的"we think"为插入语，根据与空格相对应的"what is said"，排除B项和D项，又因 what 作单数处理，C项错。因此A项为正确答案。
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