答案：to
happen to 结构
不明白的再问哟,请及时采纳,多谢!
What's happening ______ the building?
6个回答
相关问题
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1:What's the building?
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“what's the happening ”和“what the happened”的区别是什么啊?
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what happened=what's happened吗?
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What's the （ ）of the building?-It's fifth meters.
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what's wrong with you=what's the matter with you=what happen
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what's happen还是what happen?
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是What happened 还是what’s happened
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What's the colour of the building Sarah live in?
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what's happen
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What's happening?He ______ (keep laughing) all the time.