1. A. I want to be an actor.
B. When was it invented?
C．Where's my backpack?
2. A. It must belong to Carla.
B. When was your school trip?
C. How do you study for a test?
3. A .Where's your pen pal from?
B.I used to be afraid of the dark.
C. I'II help clean up the city parks.
4. A .You're supposed to shake hands.
B. What time do you get to school?
C. I'm more outgoing than my sister.
