Multiple choice

Directions: Substitute the underlined part of the idiom or the phrase with the appropriate option.

Ron has a one-train mind and thinks only about food all the time.

  1. crap

  2. good

  3. sound

  4. track

  5. trace

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

To have a one-track mind To think entirely or almost entirely about one subject.