文中共有10處錯誤，其中一個句子中只有一處錯誤，每處錯誤僅涉及一個單詞的增加、刪除或修改。
增加：在缺詞處加一個漏詞符號（∧），并在其下面寫出該加的詞。
刪除：把多余的詞用斜線（/）劃掉。
修改：在錯的詞下面劃一橫線（一），并在該詞下面寫出修改后的詞。
   One day Tony was cross the road when he was hit by a car.He fell and break his arm.
   An ambulance soon arrived in and took Tony to a hospital.There a doctor operated on his arm.Then he put the arm in a cast（石膏）.Tony could not move it at all.
   "You must keep your arm in the cast in six weeks，"the doctor said. "That will give the broken bone a chance to heal（復(fù)原）."
   On the end of six weeks Tony went back to the hospital.The doctor used a large saw（鋸）cut the cast.Then he took Tony's arm out of the cast.
   "Can you move your arm，Tony？" he asked.
   Tony tried.At the first it was difficult，but soon he could move it easily.
   "Yes，it's fine，" he said. "Thank you very much."
   "In a few days it will be as good before，"the doctor said."Just exercise it a little."
   "Will I be able to play guitar？" Tony asked.
   The doctor smiled，"Of course you will，" he said."You'll have no problems."
   "That is a good news，"Tony said，"because I couldn't play it at all before."