Target Lesson: In Three and a Half Hours, an Alarm Will Go Off - YouTube
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go off' meaning and practice - Phrasal Verbs - MicroEnglish
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Smoke Alarm (Smoke Detector) Troubleshooting | NFPA
Why do we say “the alarm went off” when it actually came on? – Learn English with Demi
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Emergency alert system: When is the alarm and how do you turn it off your mobile phone? - Heart
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Phrasal verbs with GO
Fire alarm - go off - To Fluency
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DILE English School - Did you know all four of these meanings of the phrasal verb 'go off'? | Facebook
4 Ways to Disable a Fire Alarm - wikiHow
What To Do When Your Fire Alarm Goes Off | Visual.ly
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An emergency alert will go off on your mobile phone in April – here's why | Glamour UK
How To Turn Off a Smoke Alarm After It Goes Off
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