—Excuse me, could you tell me ______ get to the post office?—Sure, go down this street to the end.
People are really ______________ when they listen to music .
--Who are you _____? -- My mother.
-- _______you watching TV? -- Yes, I _____________.
-- What __________ he do? -- He __________ an actor.
Some students are playing football. _______are doing their homework.