Multiple choice

Directions: Fill in the blank.

Science is a sort of news agency comparable ____________ to other new agencies.

  1. principally

  2. in principle

  3. in principal

  4. in spirit and form

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

The phrase 'in principle' is the correct idiomatic expression meaning in theory. 'Principal' refers to a person in charge or a main sum of money.