The first two.
There are three open syllables.
It has three open syllables.
The word "arena" has three open syllables: "a," "re," and "na." Each of these syllables ends in a vowel sound, which is characteristic of open syllables.
13. DIE-NO-MORE-SAW
There are two syllables. vio-lence. The o is silent.
There are no open syllables.
Reimburse has three syllables.
There is one open syllable.
Pillow has two syllables. The syllables are pil-low.
Three of them.
One.
The word open has two syllables. (o-pen)