$1$. 

$(-)$. My brother didn't spend his summer holiday on a farm

$(?)$. Did my brother spend his summer holiday on a farm?

$2$.

$(-)$. The children don't wash their hands before meals

$(?)$. Do the children wash their hands before meals?

$3$. 

$(-)$. They won't come there tomorrow

$(?)$. Will they come there tomorrow?

$4$. 

$(-)$. The people weren't friendly

$(?)$. Were the people friendly

$5$. 

$(-)$. Hoa doesn't like her new skirt

$(?)$. Does Hoa like her new skirt?

$6$. 

$(-)$. I didn't decorate the color lights on the Christmas tree

$(?)$. Did I decorate the color lights on the Christmas tree?

$7$. 

$(-)$. Liz didn't enjoy her trip

$(?)$. Did Liz enjoy her trip?

$8$. 

$(-)$. He didn't send letters to his parents

$(?)$. Did he send letters to his parents?

Có 8 câu nên mik đánh số cho dễ nhìn nhé!!!

1. My brother didn't spend his summer holiday on a farm.

Does your brother spend his sumer holiday on a farm ?
2. The children don't wash their hands before meals.

Do the children wash their hands before meals.

3. They won't come there tomorrow.

Will they come there tomorrow ?

4. The people weren't friendly.

Were the people friendly ?
5. Hoa doesn't like her new skirt.

Does Hoa like her new skirt ?

6. I didn't decorate the color lights on Christmas tree.

Did you decorate the color lights on Christmas tree ?

7. Liz didn't enjoy her trip.

Did Liz enjoy her trip ?

8. He didn't send letters to his parents.

Did he send letters to his parents ?