Answer:
Because he is so incredibly shy, we introduced Greg, our best friend, to Sue.
uuum, I think he is Korean
While both have to very different meanings, both have a definition of meaning something small (alley - small passage, pony - small horse, pour, or amount of money). Both are 6 letters, but when made plural, are spelling differently (alleys - just add s, ponies - drop the y, add ies). Both are Latin in origin, changing letter to French. But alley is late middle English, with pony being from the mid 17th century.
Both C and D.
"will" in will be is a linking verb saying which tense it is in or indicating.