1.(-)they weren't in rio last summer
(?)Were they in rio last summer
2.(-)We didn't do our exercise this morning.
(?)Did you do your exercise this morning?
3.(-)My parents didn't come to visit me last July.
(?)Did your parents come to visit me last July?
4.(-)The hotel wasn't very expensive.
(?)Was the hotel very expensive?
5.(-)I didn't have a bicycle when I was young.
(?)Did you have a bicycle when you was young?
6.(-)The children didn't go to the zoo yesterday.
(?)Did the children go to the zoo yesterday?
7.emie ate the last doughnut
(-)emie didn't eat last doughnut
(?)did emie eat last doughnut?
8.they bought a new house last month
(-)they didn't buy a new house last month
(?)did they buy a new house last month?
