Question

what will be the prepostion here.please solve this.

Answer 1

I dream OF becoming a doctor one day. OF is the answer

Answer 2

$\huge\color{Red}{Hey\: Mate!!}$

here is your answer:

I dream $\bf{of}$ becoming a doctor one day.

That's really my dream. Believe it or not!

hope it helps you!!

$\huge\boxed{Thankyou!!}$