One day in February the boiler __________; there’d been no heat or hot water all day. ( 章节：1 难度：1)
- A、brought down
- B、broke down
- C、cut down
- D、calmed down
正确答案:B
答案解析:有
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One day in February the boiler __________; there’d been no heat or hot water all day. ( 章节：1 难度：1)
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