根据句意和首字母提示补全单词
-What is the m__? The clock does not work.填什么?
What is the matter__? The clock does not work.填什么? 怎么了? 钟坏了.
What is the m__? The clock does not work. What is the matter? The clock does not work.
-What is the matter? The clock does not work.
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