求英语高手解答！！！

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Dog
dog train of domestic expenses method

The dog jump circle, demand some prop, there is its Xun get up convenience benefit Suo.The prop have simple of, complications of, also have more complications of.Generally say, beneficial have a fraud, simple not very good use, complications of, although bother, use with
I did what I should do
I was wakling to school on Monday morning .I saw an old man falling off his bike. He lay on the ground and couldn't move. I went to him and called up the old man's family. Then I took him to the hospital . Though I was late for school, I think I did what I should do.