`II.`
`1.` Although
`2.` unless
`3.` because
`4.` because
`5.` although
`6.` if
`7.` by
`8.` if
`9.` unless
`10.` in case
`11.` Although
`12.` unless
`13.` Unless
`14.` When

1.Although it's pouring with rain, we're going for a walk in the park

2.If she hands in the assignment before Tuesday, she will get very bad

3.He decided to break up with Peter although he didn't spend much time with her

4.Jennifer decided to break up with Peter because he didn't spend much time with her

5.Danny bought a new car although his old car was still in good conditions

6.I will be in great trouble if my mother knows my final test scores

7.Janice will have finished the report by the time you receive the letter

8.The concert will be canceled if no more tickets are sold

9.Children are not allowed to enter this place unless they are accompanied by adults

10.You should bring think coats because the temperature falls at night.

11.Although my sister doesn't like eating salad, she eats it regularly to keep fit

12.I won't come to Jim'party unless he invites me

13.Unless you tell me the truth, I can't help you

14.When the firefighters arrived, the fire had already been put out by the local residents