题目内容
（请给出正确答案）
[主观题]
He ought to attend the meeting, ______ ？A．should heB．ought heC．shouldn’t heD．oughtn’t he
He ought to attend the meeting, ______ ？
A．should he
B．ought he
C．shouldn’t he
D．oughtn’t he
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谈判终结的不二性原则具有明确与不变两个特征。()
