You need to know some computer knowledge if you want to get this job, ? A. needn
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You need to know some computer knowledge if you want to get this job,________?
A. needn't you
B. don't you
C. must you
D. mustn't you
试题答案
答案：B
解析：need是实义动词，因此反意疑问句要加助动词。
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