1.
(-) we didn't do our exercise this morning
(?) did we do our exercise this morning
2.
(-) the hotel wasn't very expensive
(?) was the hotel very expensive ?
3.
(-) i didn't have a bicycle when i was young
(?) did you have a bicycle when you was young ?
4.
(-) the children didn't go to the zoo yesterday
(?) did the children go to the zoo yesterday
5.
(-) emie didn't eat the last doughnut
(?) did emie eat the last doughnut
6.
(-) they didn't buy a new house last month
(?) did they buy a new house last month ?
