Read the two sections of the passage. 1) The halftime performers whirled through a complex series of choreographed moves. 2) Twirling their batons so fast they resembled helicopter blades. Which option explains why Section 2 is a sentence fragment?
Section 2 is a fragment sentence because there is no comma in it therefore making it seem like a run-on sentence so the correct way of this sentence is
Twirling their batons so fast, they resembled helicopter blades.
