Question

I have been on ___ diet since the 1st of march​

Answer 1

Ответ:

i have been on a diet since the 1st of march

там а

Answer 2

I have been on ___ diet since the 1st of march​

I have been on a diet since the 1st of March​.

Answer 3

It seems you want to fill in the blank with the type of diet you've been following since March 1st. Please specify the diet you've been on, and I can provide more information or answer any questions you might have about that diet.