— We’ll visit the Summer Palace__________ there is a heavy rain tomorrow. — OK! Boating on the lake ...
2022-09-21 01:38:34 47次 江苏省2018-2019学年高一上学期期初考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
— We’ll visit the Summer Palace__________ there is a heavy rain tomorrow.
— OK! Boating on the lake must be great fun.
A. unless B. since
C. until D. if
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