Present Simple Tense (Mixed)

Fill in the correct form of present simple tense in the blanks by looking at the subject.
I (walk) = it (brush) = we (fly) =
she (sing) = it (swim) = I (buzz) =
we (watch) = she (cry) = he (jump) =
it (study) = he (sleep) = I (play) =
they (kiss) = she (buy) = we (drink) =
she (fix) = he (go) = I (eat) =