.The retired man donated most of his savings to the school damaged by the earthquake in Yushu ,________the students to return to their classrooms.
I can't remember when exactly the Robinsons left __ city. I only remember it was ____ Monday.
If you grow up in ______ large family, you are more likely to develop ______ ability to get on well with ________ others.
It is often said that teachers have very easy life.
In ____late 19th century, Europe changed ______great deal and was playing important roles in ______international trade.
People think that ______ opening ceremony of the 29th Olympic Games is _____ great success.