I’ll go to visit the Great Wall ________ the summer holiday starts. A. since B. while C. until D. as...
2022-11-12 08:59:10 129次 人教八下Unit 6 Section A Period 2 练习 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I’ll go to visit the Great Wall ________ the summer holiday starts.
A. since B. while C. until D. as soon as
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