问题描述:
___to settle their disagreements at the conference table,the two countries appealed to arms
A.fail B.failed C.to fail D.having failed请详细说明为啥呢么 答案选D
为什么不选B一般过去时
A.fail B.failed C.to fail D.having failed请详细说明为啥呢么 答案选D
为什么不选B一般过去时
问题解答:
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