Question

complete the sentence with the best verb.
the girl in the front row ______ at the invitation to come onstage.
blushes blush

Explanation:

The subject "the girl" is singular. In simple present tense, a singular subject takes a verb with an -s (or -es) ending. "Blushes" is the third - person singular form of "blush", so it agrees with the singular subject "the girl".

Answer:

blushes