一般疑问句：1.Do you go to the library on Sundays?
2.Do you see Mr.Wood over there?
3.Are you happy today?
特殊疑问句：1.Where do you go on Sundays?(go to the library)
What do you do on Sundays?(go to the library)
When do you go to the library?(on Sundays)
2.Where do you see Mr.Wood?
3.How do you feel today?
What's going on today?
How is your day today?
How are you today?