When I was doing shopping last Sunday, I ______ Mr. Smith in the street.

On the way to the supermarket , it suddenly _______ to me that I had forgotten to lock my car , so I hurried back to lock it . 

“Be careful, do not stand ___________ to the fire, Jim.” Mrs. Thompson said to her little son.

It is you rather than Lucy who ____ for the accident. 

The generous donation from China to the sufferers in the killing Indian Ocean Quake-tsunami has ____ the Chinese people’s unselfishness and internationalism.