Well saying dunno is an error in formal/academic writing. In academic writing you would have to write, i do not know, though.
The sentence where the predicate nominative is correct is D) The best surfers and Mike and she.
Just invert the sentence and you'll know which ones are correct.
She and Mike are the best surfers.
Answer: D
Explanation: i think its D
Answer:
No link/pdf/file fix that