In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Children need to be taught the importance of hygiene early on so that it becomes a _____. Children are the most _____ to hygiene-related disorders like skin issues, rashes, infections, wounds, etc. Teach them early on about what to _____. Teach them that taking a few _____ measures to prevent infections and diseases is _____.

Teach them early on about what to _____.

• avoid

• read

• right

• learn