No sooner _____ a paper on his latest research than he was asked to write another for the program. A...
2022-08-02 09:56:57 33次 黑龙江省2019-2020学年高一上学期期末英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
No sooner _____ a paper on his latest research than he was asked to write another for the program.
A.he had finished B.he finished
C.had he finished D.he did finished
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