Hey There,
The option to finish the sentence is option A, Would.
If he were a bird, he Would fly. He is thinking of what he would do if he were a bird, which he is not. The words will, shall and should do not work, because he is not a bird, and therefor he can't fly. He would fly, but he can't.
Best Of Luck,
- I.A. -
Will come back in comments when completed
<span>authorities on many a subject, and close with a rhetorical flourish. Lincoln had ... a classroom, Lincoln. Abraham Lincoln and the Second American Revolution ... municator: his skill in the use of figurative language, of ... phors, and they thus lose their power to evoke a vivid image ... How Lincoln Won the War with Metaphors.</span>
Answer: Answer is B. Trans-Saharan was just land and they tried sea but I believe they failed. Silk Route was land and Sea, since for Asian countries sea was more accessible. Hope this helps, just learned this last year.
Explanation:
