6．
[1]One day a lonely girl found two weak birds while she was walking in the woods．She took them home and put them in a small cage．She fed them with love and the birds grew strong．Every morning they greeted her with a beautiful song．The girl loved them very much and wanted their singing to last forever．
[2]One day the girl left the cage's door open．The larger and stronger of the two birds flew out of the cage．The girl watched worriedly as it circled（盘旋） high above her．She was afraid that it would fly away and she would never see it again．So when it flew close，she grasped（抓） at it wildly．She was very happy that she held it tightly within her hand!Suddenly，she felt something had happened to the bird．She opened her hand and was surprised to find the bird was dead．Her love for the bird killed it．
[3]She noticed the other bird jumping in the cage．She could feel that it wanted to be free．It hoped to fly into the clear，blue sky．She lifted it from the cage and flew it into the air．The bird circled once，twice，three times …
[4]When the bird was flying happily in the sky，she was so glad．Just then the bird flew closer and sat softly on her shoulder．It sang the sweetest song she had ever heard．
[5]The fastest way to is to hold it tight．The best way to keep love is to let it fly!
81．Why did the girl love the two birds very much？（ no more than 10words ）Because they sang for her every morning
82．Which sentence in the passage can be replaced （替换） by the following one？
She loved the bird so dearly，however，the bird died by her own hand．Her love for the bird killed it
83．Translate the underlined sentence in Paragraph 4into Chinese．看到鸟在空中自由飞翔，她万分高兴．
84．Fill in the blank in Paragraph 5with proper words．（ no more than 2words ）lose love
85．What does the story want to tell us？（ no more than 10words ）To keep love is to let it fly．
