a pet can be something to each member of the family,后面一句是：a baby to the mother,a sister or brother to an only child,a grangchild to the old people.
问题描述：
a pet can be something to each member of the family,
后面一句是：a baby to the mother,a sister or brother to an only child,a grangchild to the old people.
答
完整的是：a pet can be something different to each member of the family,another baby to the mother,a sister or brother to an only child,a grandchild to the elderly