Multiple choice

Directions: Choose the correct option to fill up the blank.

As _________ as the ground we stand on.

  1. solid

  2. firm

  3. soft

  4. compact

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

The phrase 'as solid as the ground we stand on' is a common metaphorical expression for something that is reliable, firm, or undeniable. 'Solid' is the most appropriate descriptor for ground in this context.