（题文）–Listen! Can you hear strange noises outside our window? -Yes, I think it ___ be teenagers ___ f...
2022-10-19 22:04:58 16次 人教版新目标英语九年级上册 Unit 8 Section A 3a-4c 随堂练习题 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
（题文）–Listen! Can you hear strange noises outside our window?
-Yes, I think it ___ be teenagers ___ fun.
A. must; have B. may; having C. must; to have D. may; to have
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