what a happy life为什么有a?life不是不可数吗

what a happy life为什么有a?life不是不可数吗 为什么life翻译成生活是不可数的,那么前面还可以加a?例如live a happy life Model A:we live a happy life today--- what a happy life we l 为什么leading a happy life前要加be动词?如：I am leading a happy life. 就是life不是一般不可数,那么可不可以说a healthy life 1.what a happy life they are living.(改为感叹句) what do you think a happy life should be like What makes a happy life为题的英语作文 英语作文：what do you have a happy life? We live a happy life. live a more happy life Give you a happy life.