Only through _______ talks can we build trust and only through cooperation can we create ________ win-win economic situation.
He is running ____ the wind towards the east of the station ____ Tom is running ____ the right.
I don't think you can work out the maths problem ____ the teacher's help.
My uncle lives ____ 105 Huanghe Street. His room is ____ the fifth floor.
Mr Wang went to Nanjing ____ October,1998 and came back home ____ the morning of Nov.5.
My father was disappointed ____ the news.