Linda and William talk about a problem with a fire alarm. They want to find out why it did not work. They make phone calls to check what happened.
Vocabulary:
Alarm: A device that makes a loud noise to warn of danger.
Battery: A small power source for devices.
Cause: The reason why something happens.
Replace: To put something new instead of old.
Safety: The state of being safe from danger.
Practice more with this lesson:
