Question

Fill in the blank with a suitable preposition:
The importance __________ washing one's hands is that it prevents infection.

• A. Of
• B. To
• C. For
• D. Off

Answer 1

The correct option is A Of

Option A- Of is used to indicate possession, relation, substance, cause or about. The given sentence speaks about the importance of washing hands. Hence 'of' is the correct answer.

Option B- To is used to indicate direction, purpose, limit, attachment, comparing. It is incorrect.

Option C- For is used to indicate a space of time, use of something, to show who is intended to have or use something. As it does not fit the meaning of the sentence correctly, it is incorrect.

Option D- Off is used to indicate separation and disconnection. This does not fit correctly in the given sentence. Hence it is incorrect.