____ many times, I could not remember her telephone number. 

The money collected should be made good use _____ the people who suffered great losses in the earthquake.

Nearly half a million people are believed _________ their homes in the past months as a result of the disaster.

Tom concluded his lecture ________ that he couldn’t emphasize enough how important our efforts were.

 ________  in thought, he almost ran into the car in front of him．