Choose the appropriate subordinate conjunctions for these sentences. Write your answers on a sheet of paper. 23 1. You should rest and sleep (so, because) you have a bad cold. 2. (Since, Before) I was young, I had enjoyed playing guitar. 3. We went camping and hiking ( although, because) we love outdoor activities. 4. I will not join the party (when, unless) my mother allows me. 5. you should study hard (since, so, that) you will get good grades.​