Multiple choice

Directions: Choose the correct part of speech for the word in italics.

Smoking is injurious to health.

  1. noun

  2. adjective

  3. preposition

  4. conjunction

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

'To' is a preposition because it shows the relationship between 'injurious' and 'health'. Prepositions indicate relationships like direction, location, or connection between words. Here it connects the adjective to the noun it affects.