--Whenwilltherailwaythatconnectsthetwocitiesopen?--

問題詳情：

--When will the railway that connects the two cities open?--_______next year. Only two thirds _______been built.A. Until; has                B. Until; have

C. Not until; has            D. Not until; have

【回答】

C

知識點：相似 相近詞比較

題型：選擇題