To whom does the "seed" in these promises refer?

Answer

"Now to Abraham and his seed were the promises made. He saith not, And to seeds, as of many; but as of
one, And to thy seed, which is Christ." Gal. 3: 16.

With whom did the prophet Isaiah say Christ would make His grave?
For what purpose is the grace of Christ received?
Were the gifts of the Spirit to continue forever?
What shows that God imputed sin to Cain?
What does Christ say about our duty to the state?
What prophet had foretold Christ's ride into Jerusalem?
How were their prayers answered?

Questions & Answers are from the book Bible Readings for the Home Circle