题目内容

【题目】---When will the railway that connects the two cities open?

---_____ next year. Only two thirds been built.

A. Until has B. Not until has

C. Until have D. Not until have

【答案】B

【解析】

试题分析:句意:连接两地的铁路什么时候开通 -- 明年才开已经建成了三分之二。not…until直到……才;Only two thirds 作主语谓语动词要用第三人称单数形式,所以选B。

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