Conjunctions 'and' and 'or'

My sister wants to go shopping, and my brother wants to go too.

My sister wants to go shopping, or my brother wants to go too.

Sally could wake up early in the morning, or she could sleep late today.

Sally could wake up early in the morning, and she could sleep late today.

Pete likes the color orange, or he also likes the color blue.

Pete likes the color orange, and he also likes the color blue.

Aunt Dolly should go to the gas station, or she will run out of gas.

Aunt Dolly should go to the gas station, and she will run out of gas.

Tim is going to play board games, or he is going to play basketball this weekend. He can't decide which one.

Tim is going to play board games, and he is going to play basketball this weekend. He can't decide which one.

She will feel better, or she will still be sick in the morning.

She will feel better, and she will still be sick in the morning.