Multiple choice

Directions: Select the correct word or phrase to complete a grammatical and idiomatic sentence.

If only I ______ his address, I would most certainly have told you.

  1. know

  2. knew

  3. had known

  4. would have known
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

(3) had known. Past Perfect tense is being used in the sentence so the best option is (3).

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