1 my friend asked me if i were going to leave tomorrow
2 i wish i could help with her business
3 my father hasn't smoked for two years
4 my friends and i studied very hard so we passed the english examination easily
II
1 nga said she visited me the next day
2 nam is interested in improving his english skills especially is listening and speaking
3 i will talk him if he sees me tomorrow
4 vietnamese women have wore the ao dai for a long time