1.Mr.Ba smoked a lot but he gave up smoking three years ago(used to)
→Mr.Ba used to smoke a lot but he gave up smoking three years ago.
2.What a pity!You are not here with me now (I wish)
→I wish you were here with us now.
3.I am sad because Lucy will leave for Ho Chi Minh city tomorrow (I wish)
→I wish she wouldn't leave for HCM city tomorow.
4.I have an old bike (I wish)
→I wish i had a new bike.
chúc bạn học tốt!!!!!!!