根据首字母或汉语提示完成单词、、、

根据首字母或汉语提示完成单词、、、
1.Elephants are the biggest a______ on land
2.In America people call football s______
3.Don't walk a___ the road,It's dangerous
4.When you see ____(小偷）,please call the police at 110
5.We are ______（惊奇的）that the girl gets to school late