A. Longmajingshen      B. Shenglonghuohu       C. Hualongdianjing

D. Cheshuimalong         E. Wangzichenglong

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People use it when they hope their children can have a bright future. 

Example:

Many parents expect their children to be successful, and they are even busy taking kids to different after-school classes on weekends.

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It means the streets are crowded with people and vehicles. 

Example:

The street becomes busy in rush hours. People come and go while cars flash by one after another.

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It refers to a person who is full of life and energy. 

Example:

Every player is energetic and tries to get the best grade on Sports Day.

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It's used to describe that people use a few key sentences at an important point to make it better when speaking or writing. 

Example:

Your speech is great. If you can add a finishing point, then it will be more powerful.