Why doesn't the bulb light up? 为什么灯泡不会亮起？

Why doesn't the bulb light up? 为什么灯泡不会亮起？
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  • Science

  • Match the correct reason of why doesn't the bulb light up

  • Age 7-9

  • level: 2

  • English

Author's Instructions

Match the correct reason of why doesn't the bulb light up