Question

............. unusual problems is driving us crazy fill in the blanks with (a or an )​

Answer 1

An is the word

Hope u read abt consonant and vowel sounds dear...

Hope it works..thnks

Answer 2

Answer:

This isn't a proper question

Explanation:

'A' and 'an' is used for a singular noun, not plurals, and 'problems' is a plural verb. Thus, none of the answers are suitable for this question