Multiple choice

I've lost my train of thought

  1. I forgot what I was talking about

  2. I have been thinking hard

  3. I cant understand

  4. in a very short time

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A "train of thought" is the progression of your thinking or speaking. Losing it means you have suddenly forgotten what you were saying or what you were about to say next.