Did she dance from seven o'clock to midnight?
Did Frieda play tennis very well?
Did those letters come to English by aeroplane?
Did they see the boy swim to the big rock?
Did Pedro go to a good tailor for his suit?
Did Hob know a song about London?
Did Lucille buy a dress in Paris?
Did the students go to the museum yesterday?
Did they see many interesting things there?
Did he understand the lesson very well?
Did Hob think that the lesson was too long?
Did the students sing their song very well?