nhớ vote mik 5 sao nhé
1. (-) He hasn't been an English teacher for 20 years
(?) Has he been an English teacher for 20 year
2. (-)We aren't having an English test next Monday
(?)Are we having an English test for 20 year
3. (-)The people weren't freindly
(?) Were the people frienfly
4. (-)Liz didn't enjoy her summer vacation last year
(?)Did Liz enjoy her summer vacation last year
5. (-)Nam won't absent from school tomorrow
(?)Will Nam be absent from school tomorrow
6. (-) She doesn't go to gym twice a week
(?) Does she go to gym twice a week
7.(-) My brother hasn't ever spent his summer holiday in England
(?) Has my brother ever spent his summer holiday in England
đánh chữ khổ lắm vote 4-5 sao nhé
