I don’t know Jeff will go to school or not this afternoon. A. if B. when C. whether D. that
2022-10-29 00:01:59 121次 2018年春外研版英语七年级下册课后习题：Module 9 Life historyUnit 3 Language in use 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
I don’t know Jeff will go to school or not this afternoon.
A. if B. when
C. whether D. that
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