Have you ever witnessed a crime?

Can you tie your shoes?

Are there any crash courses for pilots?

Are fruits and vegetables healthy to eat?

Did you ever eat something that was inedible?

Have you ever fallen asleep at school or work?

Are you an angel?

Do you like this website?

Is the nose the center of the face?

Is it a doctor's job to save people?

Are wild animals dangerous?

Do teachers help you learn?

Do you like McDonalds?

Are violins and pianos musical instruments?

Have you ever witnessed a crime?

Do you have a fireplace at home?

Are you intelligent?

Should you delete your browsing history?

Do you eat lunch every day?

Do you eat snails?

Can you wear a tie?