1.(疑问)Did they have a picnic in the park yesterday
(否定)They didn't have a picnic in the park yesterday .
2.(疑问)Did you visit the Great WAll last year?
(否定)We didn't visit the Great WAll last year.
3.(疑问)Did Tina go to school on foot this morning
(否定)Tina didn't go to school on foot this morning .
4.(疑问)Did Thy Blacks see a film last week?
(否定)Thy Blacks didn't see a film last week.
5.(疑问)Did you play basketball with class 13 last week?
(否定)We didn't play basketball with class 13 last week.
6.(疑问)Did father buy a new school bag for me?
(否定)Father didn't buy a new school bag for me.
7.(疑问)Did they have an math lesson this morning?
(否定)They didn't have an math lesson this morning .
8.(疑问)Did Tom and peter play tennis in the afternoon
(否定)Tom and peter didn't play tennis in the afternoon .
9.(疑问)Did Linda eat three eggs for breakfast?
(否定)Linda didn't eat three eggs for breakfast .
10.(疑问)Did she halp an old man in the in the park the day before yesterday
(否定)She didn't halp an old man in the in the park the day before yesterday.