一、完形填空 阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并写在答题卡上。
There are many kinds of friends. Some are always 1________ you, but don’t understand you. Some say only a few words to you, but understand you. Many people will step in your life, but only 2 ________ friends leave footprints.
