Multiple choice

Directions: Fill in the blank with the correct form of the verb.

It was a difficult moment and I _____ what to do.

  1. not knew

  2. not know

  3. did not know

  4. do not know

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

The sentence is in simple past tense and is a negative one, so 'did not plus verb' is used. 'Do not know' is in present tense. Option 3 is the correct answer.