Question

Which of the following sentences is correctly written?

Veronica didn't feel good about her essay; nor did her best friend Cindy.
On Trey's birthday; Trey's cousin sent him a gift card for a movie theater.
After Ramona's audition the director decided to begin casting the show.
Marshall was reluctant to try out for the play, yet he won the lead role.

Answer 1

Marshall was reluctant to try out for the play, yet he won the lead role.

The first & second one has an unnecessary ; (semicolon). If you use a semicolon, it must have two clauses that can stand on their own.

The third is missing a comma after "audition."