1.I am twelve. Are you twelve? 2.This is my math teacher. Is this your math teacher? 3.He is doing his homework Is he doing his homework? 4.They are playing football Are they playing football? 5.LUlu can wask clothes Can Lulu wask clothes? 6.We come from the USA Do you come from the USA? 7.She does sports every day Does she do sports every day? 8. Do you have a pen? 9. Did you go to school yesterday? 10. Are you going to have dinner?