[2] I have a friend who ... Should he ....? Such a dilemma we are often confronted with in our daily life.
我有个朋友他....他应该这样吗？此类困难在我们日常生活中一直遇到。
[3]Once upon a time, there lived a man who .... This story may be (unbelievable), but it still has a realistic significance now.
从前有个人...这个故事也许是虚构的，但我认为现在很有现实意义。