题目内容：

Laura went to the stable（马厩）.Four horses stood there.She put a saddle on Star,a big and brown horse.Her sister,Janice,1.(choose) Moon,a white horse.They were both going to exercise the horses.

It was a2.(sun) day.They got on the horses and started walking3.(they).Some minutes later,Laura was telling Janice about the doctor4.was new to her hospital.She raised her hand for5.second to speak.Just then, Star bucked.Laura went flying into the air.She landed on her head and shoulder on the grass.

"Oh,my God!"Janice cried,"Laura,are you all right?"Janice6.(gentle) rolled her over.She didn't see any blood.  "That's good,"she thought.

"Can you move?You're not paralyzed（瘫痪的）anywhere,are you?"Janice pulled Laura up into a sitting position. Laura slightly moved her legs and7.(arm).When she moved her right hand to touch her head,she groaned（呻吟）.

Janice asked Laura8.was the matter."When I moved my arm,it hurt."Laura answered.They still didn't see any blood.Janice unbuttoned Laura's blouse9.looked at her right collarbone."Oh,no,"Janice shouted,"You're seriously 10.(injure)."And then she sent Laura to the new doctor as soon as possible.