We’ll have a picnic in the park this Sunday _____ it rains or it’s very cold. A. since B. if C. unl...
2023-02-15 04:42:24 49次 2008年高考试题（天津卷）解析版 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
We’ll have a picnic in the park this Sunday _____ it rains or it’s
very cold.
A. since B.
if C.
unless D. until
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