The use of but- so

I don't like too much attention, _____ I stay quiet.

• but

• so

I practice the piano every day, ____ I don't think I am improving.

• but

• so

It is a difficult task, ____ take your time and do it carefully.

• but

• so

Several stores are open on the holiday, ____ most stores are closed.

• but

• so

You can store your suitcases at my apartment, ____ you can only leave them for a month.

• but

• so

This area of the city is very crowded, ____ it is hard to find a parking space.

• but

• so