题目内容
Our guest didn’t turn up ________ the play had begun:
A. as B. unless C. until D. while
C
按句意,应用“直到……才”的句型。
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题目内容
Our guest didn’t turn up ________ the play had begun:
A. as B. unless C. until D. while
C
按句意,应用“直到……才”的句型。