1. We not spent our summer holiday in Da Lat last year .
=> didn't spend
2. My brother often has a three-weeks summer vacation .
=> three-week
3. Does Nam has less stamps than Viet ?
=> have fewer
4. Chi usually spends two hours to do her homework every morning .
=> doing
5. What were you buy at the souvenir store yesterday ?
=> did
1.We not spent our summer holiday in Da Lat last year .
=> didn't spend
2.My brother often has a three-weeks summer vacation
=> three-week
3.Does Nam has less stamps than Viet?
=>fewer
4.Chi usually spends two hours to do her homework every morning
=>doing
5.What were you buy at the souvenir store yesterday?
=>did
Sửa lỗi sai
1.We not spent our summer holiday in Da Lat last year .
=>We didn't spent our summer holiday in Da Lat next year.
2.My brother often has a three-weeks summer vacation
=>My brother often has a three-week summer vacation
3.Does Nam has less stamps than Viet?
=>Does Nam has fewer stamps than Viet?
4.Chi usually spends two hours to do her homework every morning.
=>Chi usually spends two hours doing her homework every morning.
5.What were you bye at the souvenir store yesterday?
=>What did you bye at the souvenir store yesterday?
1.We not spent our summer holiday in Da Lat last year .
=> didn't spend
2.My brother often has a three-weeks summer vacation.
=> three-week
3.Does Nam has less stamps than Viet?
=> fewer
4.Chi usually spends two hours to do her homework every morning
=> doing
5.What were you bye at the souvenir store yesterday?
=> did