Dance Love Sing

Dance Love Sing have,play,sing,dance Young people love to dance and sing.其中为什么加to? I can sing or dance Can you sing or (dance) He can (sing and dance) sing-,we,dance,often,and(.) She can___________(sing)and__________(dance). I can sing and dance中的dance是不是谓语 they sing,dance and play c_____. sing.dance 有没有复数形式 They ofen sing and dance.(yibanyiwengu)