Multiple choice

Directions: Fill in the blank with an appropriate option.

They _____ rung back yet.

  1. don't

  2. didn't

  3. haven't

  4. hasn't

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

As "rung" is the 3rd form of verb so "has/have/had" will be used. And with a plural subject (they) "haven't" will be used according to the options. Hence, " haven't" is the correct option.