1."Spare my life!"begged the prisoner.
2."Have you any old clothes to spare?"He asked.
二.
1.He has lived here for ten years.
他在这已住了十年了.
2.Will you be out for a long time
你会外出很久吗?
3.The performance lasts for 3 hours.
表演持续了三个小时.
4They have been in the army for two years.
他们入伍两年了.
5.My father has worked in that factory for twenty years.
我父亲在那家工厂已经工作了二十年.