1()his help we couldn't finish the work successfully.2can you see the words written()the blackboar
3she is talking the children out()a walk.4ypu can chose the best one ()them.5jack broke the chocolate()several pieces.6there are tow bridges()the rive.7there is a sloges()the wall
8he sit()his desk()his head()hishands.9()the help ()the teachers,the students made great progress()theirstudies.10he will be back ()a minute.11the teacher is standing ()the class.12our train arrived ()shanghai()6:30()a rainy summer day.13they have have lived in this city ()1958.（）内添介词