Question

I have ___ reason to be angry (all / every)​

Answer 1

Explanation:

every is the answer to the blank

Answer 2

The correct option for the fill in the blank is - every

• The word every is an adjective.
• Adjectives modify both the nouns and pronouns. For example - every room in the hotel is full.
• Every denotes a complete/total behaviour.
• Thus, the correct sentence will be - I have every reason to be angry.