How can we protect ourselves ________ the earthquake —We should stay calm first.

Since I knew how hard the life they lead is, I have understood ____ they need so much money

ke to have visitedthe Palace Museum last week, but something unexpected _______ to my father

She told me the sun ______ in the east.

Minister，are you satisfied with the performance of the Chinese athletes in Athens Olympics？　　 —Yes， it couldn’t have been ______.