Multiple choice

Directions: Choose the most appropriate word to fill the blank.

I ______ my duty.

  1. have do

  2. did

  3. done

  4. doing
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The sentence uses simple past tense "did" which is grammatically correct with "I" as the subject. "Have do" is incorrect grammar, "done" requires an auxiliary verb like "have" or "has", and "doing" would need "am/was/will be" before it.

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