Multiple choice

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

He decided to be off guard and protect the children from stray dogs.

  1. on

  2. with

  3. for

  4. from

  5. up

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

To be on guard means to be careful to avoid being tricked or getting into a dangerous situation.