When she heard from the hospital that her father had died, she _____ into tears.
.—Alex has lost his job.—________? As far as I know, he is devoted to his work.
.When chatting with a stranger on the Internet, bear in mind______ he could be anybody, for you can’t see him _________.
.—You must apologize to Rebecca for being so rude, Sam.—Why ________ I say sorry? It’s she ________ said insulting words first.
.31.All parents are willing to risk ________ their lives to save ________ of their children when a disaster is approaching.
.________ people are concerned about now is the Shanghai World Expo, which ________ start on May 1st.