On my way ____ home, I lost a ticket ____ Titanic.
Look,the boy didn’t run to catch up with the train.’
---Excuse me,sir.This is a non-smoking room. ---Oh,sorry.I the sign.
Every day, too much water in our school.We should save it.
---Where is Mr. Wang? ---He together with his students Cunjin Park.
---Mr Zhang,must I hand in my report today? ---No.you .