完形15篇训练（一）Happiness is a strange thing were all looking for it, but how many of us really 1 it? And what is the real happiness?The first is to enjoy the simple (简单的) things in life. Too often, we 2 so much time thinking about the future. For example, getting into college or getting a good 3 . But we fail to enjoy the present. You should enjoy lifes simple pleasures, such as reading a 4 book, listening to your favorite music, or spending time with good friends.The sec
