【文章大意】本文向我们介绍了如何交朋友。
71. E根据后面的“But for many of us the process is difficult and requires courage.可知前面是说这个过程对有些人来说很容易。所以选E。
72. C由后面“You can always start the conversation.”你要开始一个对话,可知,前面应该是不要等着别人先和你说话。
73. B根据后面的“as these interests would always bring you and your friend together.”可知,是要和朋友在一块做一些事。所以选B项。