问题描述:
28.How did your brother make such a stupid mistake _______ he had a such a good knowledge of the
steps and cautions over operating the machine?
A.when B because C while D that
以上这个题,应该选什么?并且翻译一下
steps and cautions over operating the machine?
A.when B because C while D that
以上这个题,应该选什么?并且翻译一下
问题解答:
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