试题题干
Translate the following sentence into Chinese.
But it's their great-great-great-grandchildren who would finally reach those stars. And they wouldn't even know where to stop.
参考答案
试题解析
考点：grandchildren子孙； finally最终； reach到达；star恒星。
句子结构：第一句中who would finally reach those stars 作定语修饰grandchildren 。第二句where to stop为宾语从句。