Final Exam Review: Stem Changing Present Tense Verbs

The verb is:
Yo: Nosotros:
T: Vosotros:
Ud.: Uds.:
The correct Yo form is: The correct Nosotros form is:
The correct T form is: The correct Vosotros form is:
The correct Ud. form is: The correct Uds. form is: