英语改写句子l haven't seen her since 1997.(保持原句意思)____ ____ _____

英语改写句子
l haven't seen her since 1997.(保持原句意思)
____ ____ _____ l saw her was in 1997.
l met one of my friends in the street by chance .(保持原句意思)
l ____ ____ meet one of my friends in the street .
l was sorry to hear that.(保持原句意思)
l was sorry ____ ____ _____ that.