tìm và sửa lỗi sai
2. the bicycle is such old that I don't want to use it
3. tom asked me to help him because he was doing his homework
4. my father has retired three years ago and he is now living on his pension
5. singapore is one of the country of Association of south east asian nations
6. I'll help you. I'm sure you aren't enough strong to lift it on your own
7. these vegetables should be washed and boil before we serve them
8. In the past, Jeans wore mostly by working people
2. the bicycle is such => so old that I don't want to use it
3. tom asked me to help him because he was doing his homework (không sai).
4. my father has => X retired three years ago and he is now living on his pension
5. singapore is one of the country=>countries of Association of south east asian nations
6. I'll help you. I'm sure you aren't enough strong => strong enough to lift it on your own
7. these vegetables should be washed and boil => boiled before we serve them
8. In the past, Jeans wore => were worn mostly by working people