1.
1)and
2)because
3)but
4)and
5)because
6)but
7)because
2.
1)He`s going to the bed now because he`s tired
2)I often tidy my room, but I never do the washing-up
3)At the school we study history and we learn French
4)We always get up early because school starts at 8.00
5)I really want that picture, but I haven`t got any money