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31. If you want to do international trade successfully, ______ of English is _______.
A. good command; a mustB. a good command; a need
C. a good command; a mustD. good command; must
答案是什么
must 不是形容词么 怎么要用 a must
人气:155 ℃ 时间:2020-05-13 00:48:50
解答
C.a good command; a must
a good command of:对掌握熟练;精通
a must 必须的条件;不可缺少的东西
must也可作名词
n.[口语]必须做、看、听的事;必不可少的事
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