题目内容：

根据对话内容，从下面方框中选择适当的单词或短语填空，使对话内容完整正确，并将答案填写在相应位置上。

regret     will pass away    is caused by    plays a main role    get married

Life comes in a package. This package includes happiness and sadness， failure and success. Life is a learning process. Experiences in life teach us new lessons and make us a better person.

Love 1. in our life. Love makes you feel wanted. In the early stage of our life， our parents are the ones who show us love and care. They teach us about what is right and wrong， good and bad. But we don't always care about it. It is only after we 2. and have kids that a person understands others' feelings.

Happiness can bring people a peaceful mind. Sadness 3. the death of a loved one or the failure. But all of these things4..

Failure is the path to success. it helps us to touch the sky， teaches us to survive and shows us a specific way. Life teaches us not to 5. over yesterday. So the only way is to work hard today， so that we will enjoy a better tomorrow.