My best friend and I haven’t seen each other __________ she went to the USA 10 years ago A.when B.if...
2022-09-17 18:18:19 111次 牛津上海版英语九年级第一学期期末冲刺满分卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
My best friend and I haven’t seen each other __________ she went to the USA 10 years ago
A.when B.if C.although D.since
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