--description--

To make sure is used to express certainty or confirmation about something. For example:

I check the list twice to make sure I have everything. - This means you look at the list two times to be certain that nothing is missing.

To work properly means to function correctly or as expected. For example:

It's important that all machines work properly for safety. - This means the machines must work in the right way so that people stay safe.

--instructions--

Listen to the audio and complete the sentence below.

--fillInTheBlank--

--sentence--

In the morning, I have to check the security cameras to BLANK they are working BLANK.

--blanks--

make sure

--feedback--

These two words mean to check or confirm that something is correct or done.

properly

--feedback--

This word means something is functioning correctly or as intended.

--scene--

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      "filename": "2.1-3.mp3",
      "startTime": 1,
      "startTimestamp": 6.00,
      "finishTimestamp": 9.96
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