Connect the sentences with but or so.

1.			I like to hike. I don't often have time to do it.
2.			Laura wants to go to medical school. She is majoring in biology.
3.			Elena wants to be an engineer. She hates mathematics.
4.			David enjoys living in the dorm. He can't stand the food in the cafeteria.
5.			Gilbert needs to make money. He works in the school store.
6.			Sam misses his family. He is going home for the summer.