Question

ten to ten years

初中英语两个
ten years old与ten-year-old的区别和用法
thinks for与think to的区别和用法

Answer 1

ten years old是十岁（i am ten years old）
ten-year-old是形容词,十岁的(i am a ten-year-old boy)
think for;表认为
think to〈非正〉对…持有某种看法
What do you think to this new musical group?
楼主是要问thanks for和thank to吗
thanks for表感谢,thanks for your help
thank to表“多亏,要不是”