Question

hard work is the key_success preposition​

Answer 1

the preposition used is" to " ... hope it is useful...

Answer 2

$\underline{\Huge\mathfrak{Answer-}}$

• Hard work is the key $<u>to</u>$ success.

We will use the preposition "to" as it's connecting Hard work and denoting that success is the resulting being itself the key. Hence , we use "to" to link or to denote anything that can be achieved.

#BeBrainly ...♥️