Question

Add an appropriate suffix to the following root word:
Document

• A. ful
• B. ness
• C. ary
• D. tion

Answer 1

The correct option is C ary

When we add the suffix 'ary' to the word 'document', we get the word 'documentary'. We can use it in a sentence like... 'Recently, I saw a documentary on endangered animal species.' Thus, Option C is correct.
The other options are incorrect because the suffixes 'ful', 'ness' and 'tion' don't justifiably go with the word 'document'.