_____ of English is essential for those who apply for the post
题目
_____ of English is essential for those who apply for the post
A good knowledge B a good knowledge C godd knowledges D the good knowledge
答案
解析：A knowledge of 固定词组表示某一领域的知识.故选B
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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