问题描述：
On hearing the _______ result,all the teachers of Class Six couldn’t help ______.
A.satisfied; to jump B.satisfactory; to jump
C.satisfied; to jumping D.satisfactory; jumping
请问答案是什么,为什么,
A.satisfied; to jump B.satisfactory; to jump
C.satisfied; to jumping D.satisfactory; jumping
请问答案是什么,为什么,
问题解答：
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