We want to know he will come back, as we are worried about his safety. A. how often B. how soon C. h...
2022-11-07 13:18:24 214次 牛津译林版九年级上册英语 Unit 3 Teenage problems-Task 同步练习 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
We want to know he will come back, as we are worried about his safety.
A. how often B. how soon C. how much D. how long
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