根据短文内容，用方框中所给的单词的正确形式填空，使短文通顺、完整。

    In1997, Bobbi McCaughey gave birth to seven babies. They all survived(存活). This autumn, McCaughey's children are preparing to have ____18th birthday.

    Eighteen years ago, the birth of McCaughey's seven children was huge news across the world. Bill Clinton, American President at that time,____ the family and congratulated them. Doctors worried that they wouldn't survive their first few days, but they did. Many people helped them and they grew up____.

   "Somany things have happened in 18 years. All the happiness and ____are special to us,"said Mum Bobbi McCaughey. Now her children are____to graduate from high school.

①两对等位基因的遗传不遵循基因自由组合定律②两只亲本黄色短尾鼠的基因型相同

③F₁中灰色短尾鼠的基因型相同④F₁中黄色长尾鼠测交，后代的性状分离比为2：1

People often think the grass is always greener on _________ side of the fence (篱笆).     

平面直角坐标系中，在第二象限内有一点P，且P点到x轴的距离是4，到y轴的距离是5，则P点的坐标为   （   ）