Because it is not a serious problem, we are not necessary to take strict measures against the student.
A、we not need
B、not necessary for us
C、it being unnecessary
D、it is not necessary for us
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正确答案
试题解析
该题考查的是动词不定式作主语的用法。当不定式作主语时,经常把it放在句首来代替不定式,而将不定式到到谓语之后。同时可以用“介词for+代词”来引出不定式的逻辑主语。由此可知选项D为正确答案。