—Study hard, ____ your dream will come true.
—____Sam____Tom can play it.They are good at playing the guitar.
—After all you are too young, safety comes first.
— my dad my mom likes it. They both prefer classical music. （ 填入一个适当的词或词组 ）
thank parent and for library he one
—, Gina.
because but and both so
or but and so