People usually check whether their keys, purses and phones are with them before going out, but many people in China now have one more important thing to take--a mask(口罩). They hope it can protect them 1 terrible air.

    Many cities in China saw a lot of foggy days in April. In Beijing, there were eight days in April full of smog. It is dirty air 2 looks like a mixture of fog and smoke. The smoke is mainly from cars and factories in cities. Poor air is bad for people's health, 3 for children and old people. They fell ill easily and the 4 were full of people. They had problems with their noses and lungs.

    So it's necessary 5 people from doing so many bad things to the environment. For example, people should use cars less and   6 burn lots of coal and gas. Government needs to take measures to make factories stop pouring 7 waste air into the sky.

    Three students from No. 4 High School in Beijing 8 a report to advise how to protect the environment. They suggested  9people should plant more trees and act off fewer fireworks for celebration. We hope more people will join us in 10 a difference. In this way, the blue sky will certainly return for good.

—I agree. Let's protect it together.

    As two women walked into a New Jersey hospital, they laughed. It showed the love that had held them together1 forty years as best friends. Although they were laughing, one of these ladies would soon put her life in danger2her best friend.

    Patty Hurley and Eileen Riley met at high school and have been close friends ever since. But when Eileen,3nurse, became ill with kidney (肾) disease, she didn't go running to her friend—Patty came to help her, after4Eileen was sick. "My kidneys are failing," Eileen explained.

    "Can I give you one of mine?"5the immediate reply.

    The offer was so simple6Eileen thought she had heard wrong. But Patty repeated she was willing to help, and their journey to the operating table began.

    Eileen always knew that her friend would help. She said7, "When Patty makes a promise, she keeps8."

    The operation went ahead in May, and both women are now very healthy and9than ever.

    "There are no words to describe10amazing this woman is," Eileen said afterwards. "She gave me my life."