16. What does the sign mean?

Submitted by api on Tue, 03/25/2025 - 01:50
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Question Text

16. What does the sign mean?

A. You can use the lights here.

B. You can’t use the lights here.

C. Turn off the lights when you don’t use them.

D. Switch on the lights when you don’t use them.

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{"id":5839,"url":"https://abcenglishcenter.easyedu.vn/sites/default/files/easyschool/upload/2025/03/2333.png"}
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