Qu $\'{e}$ Hace Ud? Complete the Sentences with the Correct Form of the Form

Qu $\'{e}$ hace Ud.? Complete the sentences with the correct form of the most logical verb from the list. Use each verb only once.
$almorzar ~~~~~~~ empezar ~~~~~~~~~ jugar ~~~~~~~~~~~~ pensar\\dormir ~~~~~~~~~~ entender ~~~~~~~~~~~~~~~~ pedir~~~~~~~~~ volver$
Yo…
-__________________ muchas cosas de matem $\'{a}$ ticas.