khoanh tròn vào lỗi sai rồi sửa lại
1. i was play football when she called me
2. was you study maths at 5 pm yesterday
3. in australia, you mustn't to comment on a person's accent
4. in my family, children has to get permission before leaving the dining table
5. when i come, the whole family was having dinner around a big dining table
1. i was play=>playing football when she called me
2. was you study=>studying maths at 5 pm yesterday
3. in australia, you mustn't to comment=>commemt on a person's accent
4. in my family, children has=>have to get permission before leaving the dining table
5. when i come=>came, the whole family was having dinner around a big dining table
