Which sentence correctly uses ‘ensure’ rather than ‘assure’ to mean ‘make certain’?

Explanation

‘Ensure’ means to make certain that something happens or is the case, which fits this sentence about confirming the doors are locked. This differs from ‘assure,’ which means to tell someone something confidently to remove their doubts, as in ‘I assure you the doors are locked,’ and from ‘insure,’ which specifically relates to financial protection against risk. Explore more English MCQs on mcqstutor to keep practicing.