1, My mother buys some fruit for dinner :
( - ) My mother doesn't buy some fruit for dinner
( ?) Does your mother buy some fruit for dinner ?
2,I study at Trinh Hoai Duc secondary school
( - ) I don't study at Trinh Hoai Duc secondary school
( ?) Do you study at Trinh Hoai Duc secondary school?
3.My sister like beef
( -) My sister doesn't like beef
( ?) Does your sister like beef?
4,She washes her face every day?
(-) She doesn't wash her face every day
(?) Does she wash her face every day ?