Direction: In the following questions, sentences are given with blanks to be filled in with an appropriate word(s). Four alternatives are suggested for each question. Choose the correct alternative out of the four.
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Please ______ that the lights are switched off at night.
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- insure
- assure
- ensure
- censure
- insure
Correct Option: C
ensure : to make sure that something happens or is definite.
Here, ensure is the right usage.
