Ann didn't pass the antrance examination, so she wasn't admitted to the university

1/ Ann didn't pass the antrance examination, so she wasn't admitted to the university.
--> If...........
--> Unless ..........
2/ I am not at home now, so I can't answer your phone.
--> If.....
--> Unless......
3/ Have you told her about the present ( Passive )
-->.....
4/ Tom is answering this question at the momments ( Passive )
-->.......
5/ I fell asleep because the film was so boring.
--> If....
--> Unless......
6/ Because he cut these young trees. He was punished.
--> If.......
--> Unless.....
7/ If she doesn't work harder, she will lose the job.
--> If....
--> Unless......
8/ My boyfriend didn't give me the address, so I couldn't meet him.
--> If......
--> Unless......
9/ We couldn't visit the museum because we didn't have enough time.
--> If.....
--> Unless....
10/ She does a lot of household chores so she fells very tired.
--> If.....
--> Unless......
11/ It is rainning now, so I will not go for a walk.
--> If......
--> Unless....
12/ The building is too high. He can't climp up
--> If......
--> Unless......
13/ I couldn't make a film because I wasn't a good director
--> If
--> Unless...
14/ He didn't work hard last term, he lost his job.
--> If.....
---> Unless