Viết lại câu sao cho nghĩa không đổi

1 She didnt talk to him because she was shy
If.....
2 Peter didnt come, so we cancelled the meeting.
If.....
3 Jack was late to the meeting because his watch was slow.
If......
4 We dont live in the city, so we cant easily get access to the Internet.
If....
5 he didnt take part in the event because he lacked confindence.
If....
6 she didnt talk to him because she was shy
If....
7 peter didnt come, so we cancelled the meeting
If....
8 jack was late to the meeting because his watch was slow.
If....
9 we dont live in the city, so we can easily get access to the internet.
If....
10 i dont have enough free time, I cant help my mother with the housework
If......
11. The crops will be ruined if I doesnt rain soon.
Unless......
12 unless the weather is fine, we'll stay at home
If.....
13. I cant go with you unless I get my workfinished.
If.....
14 if you dont leave on the 15th, you'll get home late for your mother's party.
Unless.....
15 . Tom never does anything unless his father tells hime what to do.
If......