Properly, the O in to is a long U or OO sound, the same as too or two.
However, many US speakers colloquially use a "tuh" sound rather than "too" and both pronunciations may be used interchangably, without distinction, by the same individual speakers.
The O has a long O vowel sound as in foe and cold.
There is no short vowel sound. The O has a long O sound and the E is silent.
Fox has a short o sound.
The O has a long O vowel sound and the A has a schwa (uh) sound.
Yes. The O has a short O vowel sound, as in hop.
The O is long vowel sound and I is a short vowel sound
The O has a long O vowel sound as in foe and cold.
There is no short vowel sound. The O has a long O sound and the E is silent.
Fox has a short o sound.
The O has a long O vowel sound and the A has a schwa (uh) sound.
Yes. The O has a short O vowel sound, as in hop.
Yes. The first O has a short O vowel sound.
Yes, the "o" in "problem" has a short vowel sound in the first syllable.
the vowel is o
The short vowel is the O, which has the O vowel sound as in cop and stop. The Y has a long E vowel sound.
the vowel is O. Long O
Yes. The O has a short O vowel sound as in lot and lob.