问题描述：
first与 first of all 的区别 有题
first 与 first of all他们有何区别.是否相等啊
eg：We can't begin the meeting ._________ ,not everyone is here.
A.a first B.first C.the first D.first of all.
我认为应选D.或者B D都对.谁能帮我一下.
first 与 first of all他们有何区别.是否相等啊
eg：We can't begin the meeting ._________ ,not everyone is here.
A.a first B.first C.the first D.first of all.
我认为应选D.或者B D都对.谁能帮我一下.
问题解答：
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