Yes. The O has a long O sound as in colt and comb.
Short
Yes. The word "fold" has a long O (oh) sound, as in bold and cold.
The O has a long O vowel sound as in foe and cold.
Yes. The sound is a long O, to rhyme with other -old words such as bold and cold.
"Hold" has a short vowel sound for the letter 'O'.
The O has a long O (oh) sound, as in bold and gold.
The "o" in "cold" is a short vowel sound.
Long o.
The 'o' is long
Long o.
long o
Neither. It is a long OO (long U) sound.
Neither. The OO has a long OO (long U) sound as in doom and broom.