1 i'm tired because i didn't sleep well last night 
2 my father lives in Hue city ,but he works in Hanoi
3the film was very long ,so we got home late last night 
4the restaurant is very expensive , but the food is terrible 
5although i'm studying hard ,i'm not making ...
6 you have to get up early or you'll be late for school
7 you don't do exercises frequently,so you aren't healthy
8 we want to swim so we often go to,..