1)Because he doesn’t drive carefully, he has many accidents.
-> he
2) He often stays up late to watch football matches,so he feels very tired.
-> unless
3) Because he wastes so much time in games,he doesn't make a good progress in his study
-> unless
4) My parents do not allow me to go , so I have to stay at home.
-> I wouldn't
5) I am not a rich businessman and I can't afford to buy an expensive car
-> were
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Sinh Học lớp 12
